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Built 2026-10-19 (19 October 2026)

Xian Weather Records (CHM00057036)

Record envelope, standing records and threshold days for Xian (CHM00057036), China, with 58 years of record.

Key Facts for Xian

  • Xian (CHM00057036) is a weather station in China at 34.30 latitude and 108.93 longitude, 479 m (1,572 ft) above sea level.
  • The station reports from 1951 to 2008, 58 years of record.
  • 1,464 records set at Xian still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Xian set a daily record low minimum temperature of -8.7 C (16.3 F) on 22 December 2008.

About the Station

  • Location: China, 34.30 latitude, 108.93 longitude.
  • Elevation: 479 m (1,572 ft).
  • Period of record: 1951 to 2008, 58 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Xian, with 2026 drawn through them The band shows the record high and record low for each calendar day at Xian. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Xian. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Xian, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan17.0 C (62.6 F)-20.6 C (-5.1 F)n/an/a
Feb24.1 C (75.4 F)-18.7 C (-1.7 F)n/an/a
Mar28.1 C (82.6 F)-7.6 C (18.3 F)n/an/a
Apr35.3 C (95.5 F)-4.0 C (24.8 F)n/an/a
May38.6 C (101.5 F)3.5 C (38.3 F)n/an/a
Jun41.8 C (107.2 F)9.2 C (48.6 F)n/an/a
Jul41.0 C (105.8 F)14.1 C (57.4 F)n/an/a
Aug40.0 C (104.0 F)12.1 C (53.8 F)n/an/a
Sep38.5 C (101.3 F)4.8 C (40.6 F)n/an/a
Oct33.7 C (92.7 F)-1.9 C (28.6 F)n/an/a
Nov24.1 C (75.4 F)-16.8 C (1.8 F)n/an/a
Dec21.6 C (70.9 F)-19.3 C (-2.7 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Xian by the year they were set 1,464 records at Xian still stand. 2007 holds the most, with 55. 02040601951: 541952: 511953: 401954: 411955: 531956: 341957: 301958: 251959: 271960: 281961: 81962: 221963: 271964: 251965: 181966: 221967: 271968: 171969: 321970: 111971: 231972: 231973: 91974: 151975: 151976: 181977: 241978: 231979: 251980: 141981: 191982: 81983: 201984: 81985: 161986: 111987: 301988: 121989: 151990: 131991: 131992: 111993: 251994: 211995: 171996: 111997: 241998: 341999: 262000: 282001: 282002: 462003: 362004: 432005: 322006: 482007: 552008: 331951195719631969197519811987199319992005
1,464 records at Xian still stand. 2007 holds the most, with 55.
Standing records at Xian by the year they were set
Year setStanding records
195154
195251
195340
195441
195553
195634
195730
195825
195927
196028
19618
196222
196327
196425
196518
196622
196727
196817
196932
197011
197123
197223
19739
197415
197515
197618
197724
197823
197925
198014
198119
19828
198320
19848
198516
198611
198730
198812
198915
199013
199113
199211
199325
199421
199517
199611
199724
199834
199926
200028
200128
200246
200336
200443
200532
200648
200755
200833

All-Time Record Progression

4 new records
When Xian set new all-time records 4 all-time records were set at Xian between 8 September 1986 and 21 June 1998. Each dot is a new record. Record daily precipitationRecord high maximum temperature8 September 1986: Record daily precipitation 92.5 mm (3.6 in)18 July 1989: Record daily precipitation 97.0 mm (3.8 in)28 July 1991: Record daily precipitation 110.7 mm (4.4 in)21 June 1998: Record high maximum temperature 41.8 C (107.2 F)19901995
4 all-time records were set at Xian between 8 September 1986 and 21 June 1998. Each dot is a new record.
When Xian set new all-time records
DateKindDetail
1986-09-08Record daily precipitationRecord daily precipitation 92.5 mm (3.6 in)
1989-07-18Record daily precipitationRecord daily precipitation 97.0 mm (3.8 in)
1991-07-28Record daily precipitationRecord daily precipitation 110.7 mm (4.4 in)
1998-06-21Record high maximum temperatureRecord high maximum temperature 41.8 C (107.2 F)

Wettest Day of Each Month

Jul: 110.7 mm (4.4 in)
Record daily precipitation for each month at Xian The wettest day on record for each calendar month at Xian. The most was 110.7 mm (4.4 in) on 28 July 1991. 050100150 Jan: 18.4 mm (0.7 in), 25 January 1953 Jan Feb: 25.4 mm (1.0 in), 20 February 2004 Feb Mar: 35.4 mm (1.4 in), 29 March 1979 Mar Apr: 54.8 mm (2.2 in), 23 April 1958 Apr May: 55.8 mm (2.2 in), 25 May 1987 May Jun: 80.3 mm (3.2 in), 30 June 2004 Jun Jul: 110.7 mm (4.4 in), 28 July 1991 Jul Aug: 75.5 mm (3.0 in), 9 August 2007 Aug Sep: 92.5 mm (3.6 in), 8 September 1986 Sep Oct: 55.1 mm (2.2 in), 4 October 1964 Oct Nov: 32.3 mm (1.3 in), 14 November 1994 Nov Dec: 15.3 mm (0.6 in), 21 December 1989 Dec
The wettest day on record for each calendar month at Xian. The most was 110.7 mm (4.4 in) on 28 July 1991.
Record daily precipitation for each month at Xian
MonthRecord daily precipitation (mm)Date
Jan18.4 mm (0.7 in)25 January 1953
Feb25.4 mm (1.0 in)20 February 2004
Mar35.4 mm (1.4 in)29 March 1979
Apr54.8 mm (2.2 in)23 April 1958
May55.8 mm (2.2 in)25 May 1987
Jun80.3 mm (3.2 in)30 June 2004
Jul110.7 mm (4.4 in)28 July 1991
Aug75.5 mm (3.0 in)9 August 2007
Sep92.5 mm (3.6 in)8 September 1986
Oct55.1 mm (2.2 in)4 October 1964
Nov32.3 mm (1.3 in)14 November 1994
Dec15.3 mm (0.6 in)21 December 1989

Period of Record Coverage

1951 to 2008
Days with data per year at Xian 58 years of record at Xian, 1951 to 2008. Every year has data for at least 90 percent of its days. 1951: 365 of 365 days1952: 366 of 366 days1953: 365 of 365 days1954: 365 of 365 days1955: 365 of 365 days1956: 366 of 366 days1957: 365 of 365 days1958: 365 of 365 days1959: 365 of 365 days1960: 365 of 366 days1961: 365 of 365 days1962: 365 of 365 days1963: 365 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 365 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 364 of 365 days1974: 365 of 365 days1975: 363 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 365 of 365 days1986: 365 of 365 days1987: 365 of 365 days1988: 366 of 366 days1989: 365 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 365 of 365 days1994: 365 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days19601970198019902000
58 years of record at Xian, 1951 to 2008. Every year has data for at least 90 percent of its days.
Days with data per year at Xian
YearDays with dataShare of yearComplete
1951365100%Yes
1952366100%Yes
1953365100%Yes
1954365100%Yes
1955365100%Yes
1956366100%Yes
1957365100%Yes
1958365100%Yes
1959365100%Yes
1960365100%Yes
1961365100%Yes
1962365100%Yes
1963365100%Yes
1964366100%Yes
1965365100%Yes
1966365100%Yes
1967365100%Yes
1968366100%Yes
1969365100%Yes
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973364100%Yes
1974365100%Yes
197536399%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
1982365100%Yes
1983365100%Yes
1984366100%Yes
1985365100%Yes
1986365100%Yes
1987365100%Yes
1988366100%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
2001365100%Yes
2002365100%Yes
2003365100%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes

Latest Records

20
Latest records at Xian
DateStationRecordValueBeat old record byOld record stoodSignificance
22 December 2008Xian, CNdaily low min-8.7 C (16.3 F)0.1 C (0.2 F)9 years7 of 100 (Routine)
20 December 2008Xian, CNdaily high min2.5 C (36.5 F)0.6 C (1.1 F)42 years18 of 100 (Routine)
19 December 2008Xian, CNdaily high max14.3 C (57.7 F)1.6 C (2.9 F)32 years17 of 100 (Routine)
10 December 2008Xian, CNdaily high min4.1 C (39.4 F)1.1 C (2.0 F)51 years23 of 100 (Routine)
10 December 2008Xian, CNdaily high max17.1 C (62.8 F)1.4 C (2.5 F)28 years16 of 100 (Routine)
9 December 2008Xian, CNdaily high max18.8 C (65.8 F)3.0 C (5.4 F)31 years21 of 100 (Routine)
8 December 2008Xian, CNdaily high max17.9 C (64.2 F)2.0 C (3.6 F)9 years11 of 100 (Routine)
7 December 2008Xian, CNdaily high max (Tie)14.6 C (58.3 F)tie4 years1 of 100 (Routine)
1 December 2008Xian, CNdaily high max17.6 C (63.7 F)1.1 C (2.0 F)19 years12 of 100 (Routine)
30 November 2008Xian, CNdaily high max15.7 C (60.3 F)1.3 C (2.3 F)53 years22 of 100 (Routine)
22 October 2008Xian, CNdaily rain18.4 mm (0.7 in)1.8 mm (0.07 in)13 years10 of 100 (Routine)
20 October 2008Xian, CNdaily high min13.6 C (56.5 F)0.5 C (0.9 F)28 years14 of 100 (Routine)
18 October 2008Xian, CNdaily high min15.3 C (59.5 F)1.3 C (2.3 F)3 years8 of 100 (Routine)
7 October 2008Xian, CNdaily rain33.4 mm (1.3 in)13.3 mm (0.5 in)54 years38 of 100 (Notable)
2 October 2008Xian, CNdaily high min (Tie)17.2 C (63.0 F)tie53 years5 of 100 (Routine)
27 September 2008Xian, CNdaily low max12.6 C (54.7 F)0.4 C (0.7 F)24 years12 of 100 (Routine)
22 September 2008Xian, CNdaily high min20.6 C (69.1 F)0.3 C (0.5 F)56 years21 of 100 (Routine)
21 September 2008Xian, CNdaily high min20.5 C (68.9 F)2.3 C (4.1 F)15 years16 of 100 (Routine)
20 September 2008Xian, CNdaily high min (Tie)20.7 C (69.3 F)tie36 years3 of 100 (Routine)
18 September 2008Xian, CNdaily high min20.1 C (68.2 F)0.1 C (0.2 F)10 years8 of 100 (Routine)

Climate Trend

58 complete years, 1951 to 2008
Annual mean temperature at Xian as warming stripes, 1951 to 2008 One stripe for each of 58 complete years at Xian, 1951 to 2008. Blue stripes are years cooler than the station's own mean of 14.3 C (57.7 F); red stripes are warmer. The coolest year was 1954, at 12.9 C (55.1 F), and the warmest was 2007, at 16.1 C (61.1 F). The strongest colour marks a difference of 1.9 C (3.4 F). 1951: 13.0 C, -1.3 C from the station mean1952: 13.0 C, -1.2 C from the station mean1953: 13.5 C, -0.8 C from the station mean1954: 12.9 C, -1.4 C from the station mean1955: 13.9 C, -0.4 C from the station mean1956: 13.2 C, -1.0 C from the station mean1957: 13.9 C, -0.4 C from the station mean1958: 14.1 C, -0.1 C from the station mean1959: 14.6 C, +0.3 C from the station mean1960: 14.4 C, +0.1 C from the station mean1961: 14.5 C, +0.2 C from the station mean1962: 14.2 C, 0.0 C from the station mean1963: 13.8 C, -0.5 C from the station mean1964: 13.7 C, -0.5 C from the station mean1965: 14.1 C, -0.2 C from the station mean1966: 14.6 C, +0.3 C from the station mean1967: 13.6 C, -0.6 C from the station mean1968: 13.9 C, -0.3 C from the station mean1969: 13.8 C, -0.5 C from the station mean1970: 13.8 C, -0.5 C from the station mean1971: 13.9 C, -0.3 C from the station mean1972: 13.8 C, -0.5 C from the station mean1973: 14.7 C, +0.4 C from the station mean1974: 13.6 C, -0.6 C from the station mean1975: 13.9 C, -0.3 C from the station mean1976: 13.4 C, -0.9 C from the station mean1977: 14.4 C, +0.2 C from the station mean1978: 14.4 C, +0.2 C from the station mean1979: 14.3 C, 0.0 C from the station mean1980: 13.8 C, -0.5 C from the station mean1981: 14.1 C, -0.2 C from the station mean1982: 14.1 C, -0.1 C from the station mean1983: 13.7 C, -0.6 C from the station mean1984: 13.3 C, -0.9 C from the station mean1985: 13.7 C, -0.6 C from the station mean1986: 14.2 C, -0.1 C from the station mean1987: 14.3 C, 0.0 C from the station mean1988: 13.9 C, -0.4 C from the station mean1989: 13.9 C, -0.3 C from the station mean1990: 14.3 C, +0.1 C from the station mean1991: 14.3 C, 0.0 C from the station mean1992: 13.9 C, -0.3 C from the station mean1993: 13.7 C, -0.5 C from the station mean1994: 15.0 C, +0.7 C from the station mean1995: 15.3 C, +1.0 C from the station mean1996: 14.3 C, 0.0 C from the station mean1997: 15.3 C, +1.1 C from the station mean1998: 15.8 C, +1.5 C from the station mean1999: 15.7 C, +1.4 C from the station mean2000: 15.0 C, +0.7 C from the station mean2001: 15.5 C, +1.2 C from the station mean2002: 16.1 C, +1.8 C from the station mean2003: 14.9 C, +0.7 C from the station mean2004: 16.0 C, +1.7 C from the station mean2005: 15.6 C, +1.3 C from the station mean2006: 12.9 C, -1.3 C from the station mean2007: 16.1 C, +1.9 C from the station mean2008: 15.5 C, +1.3 C from the station mean195119551960196519701975198019851990199520002005
One stripe for each of 58 complete years at Xian, 1951 to 2008. Blue stripes are years cooler than the station's own mean of 14.3 C (57.7 F); red stripes are warmer. The coolest year was 1954, at 12.9 C (55.1 F), and the warmest was 2007, at 16.1 C (61.1 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Xian as warming stripes, 1951 to 2008
YearAnnual mean temperatureDifference from the station mean
195113.0 C-1.27 C
195213.0 C-1.21 C
195313.5 C-0.77 C
195412.9 C-1.40 C
195513.9 C-0.38 C
195613.2 C-1.04 C
195713.9 C-0.39 C
195814.1 C-0.14 C
195914.6 C+0.32 C
196014.4 C+0.13 C
196114.5 C+0.21 C
196214.2 C-0.04 C
196313.8 C-0.49 C
196413.7 C-0.52 C
196514.1 C-0.17 C
196614.6 C+0.35 C
196713.6 C-0.61 C
196813.9 C-0.34 C
196913.8 C-0.50 C
197013.8 C-0.48 C
197113.9 C-0.32 C
197213.8 C-0.45 C
197314.7 C+0.44 C
197413.6 C-0.62 C
197513.9 C-0.34 C
197613.4 C-0.86 C
197714.4 C+0.19 C
197814.4 C+0.16 C
197914.3 C+0.02 C
198013.8 C-0.46 C
198114.1 C-0.20 C
198214.1 C-0.11 C
198313.7 C-0.60 C
198413.3 C-0.92 C
198513.7 C-0.57 C
198614.2 C-0.09 C
198714.3 C+0.04 C
198813.9 C-0.35 C
198913.9 C-0.32 C
199014.3 C+0.08 C
199114.3 C+0.05 C
199213.9 C-0.33 C
199313.7 C-0.51 C
199415.0 C+0.72 C
199515.3 C+1.00 C
199614.3 C0.00 C
199715.3 C+1.06 C
199815.8 C+1.51 C
199915.7 C+1.42 C
200015.0 C+0.75 C
200115.5 C+1.24 C
200216.1 C+1.80 C
200314.9 C+0.68 C
200416.0 C+1.72 C
200515.6 C+1.31 C
200612.9 C-1.33 C
200716.1 C+1.89 C
200815.5 C+1.26 C

The annual mean temperature here has risen by 0.3 C (0.2 to 0.4) per decade over 1951 to 2008. In Fahrenheit: 0.6 F (0.4 to 0.7) per decade. The slope is a straight line fitted to 58 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Xian
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.2 to 0.4) per decade0.6 F (0.4 to 0.7) per decade1951 to 200858Rise
Mean daily maximum0.2 C (0.1 to 0.3) per decade0.3 F (0.1 to 0.5) per decade1951 to 200858Rise
Mean daily minimum0.4 C (0.3 to 0.6) per decade0.8 F (0.6 to 1.0) per decade1951 to 200858Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1951 to 2008
Yearly extremes at Xian: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.8 C (107.2 F)199839.3 C (102.8 F)58
Coldest night (TNn)-20.6 C (-5.1 F)1955-10.0 C (14.0 F)58
Wettest day (Rx1day)110.7 mm (4.4 in)199151.7 mm (2.0 in)58
Wettest five days (Rx5day)145.4 mm (5.7 in)195782.7 mm (3.3 in)58
Longest dry spell (CDD)76 days199940 days58

Hottest day (TXx)

Hottest day (TXx) at Xian by year The hottest day of the year at Xian, 1951 to 2008. The record is 41.8 C (107.2 F) in 1998, marked on the chart; the median year is 39.3 C (102.8 F). 343638404219601970198019902000Record: 41.8 C (107.2 F) in 1998
The hottest day of the year at Xian, 1951 to 2008. The record is 41.8 C (107.2 F) in 1998, marked on the chart; the median year is 39.3 C (102.8 F).
Hottest day (TXx) at Xian by year
YearHottest day (TXx)
195141.2 C (106.2 F)
195239.2 C (102.6 F)
195339.4 C (102.9 F)
195437.5 C (99.5 F)
195540.2 C (104.4 F)
195638.3 C (100.9 F)
195738.5 C (101.3 F)
195837.8 C (100.0 F)
195940.8 C (105.4 F)
196040.5 C (104.9 F)
196139.4 C (102.9 F)
196241.0 C (105.8 F)
196340.0 C (104.0 F)
196438.6 C (101.5 F)
196538.6 C (101.5 F)
196641.7 C (107.1 F)
196739.6 C (103.3 F)
196839.9 C (103.8 F)
196939.7 C (103.5 F)
197038.4 C (101.1 F)
197140.3 C (104.5 F)
197240.4 C (104.7 F)
197338.7 C (101.7 F)
197439.8 C (103.6 F)
197537.7 C (99.9 F)
197638.0 C (100.4 F)
197739.4 C (102.9 F)
197839.2 C (102.6 F)
197939.8 C (103.6 F)
198038.9 C (102.0 F)
198140.2 C (104.4 F)
198239.4 C (102.9 F)
198335.4 C (95.7 F)
198436.0 C (96.8 F)
198538.7 C (101.7 F)
198637.8 C (100.0 F)
198738.1 C (100.6 F)
198838.7 C (101.7 F)
198938.2 C (100.8 F)
199039.4 C (102.9 F)
199138.7 C (101.7 F)
199238.8 C (101.8 F)
199337.3 C (99.1 F)
199440.0 C (104.0 F)
199540.0 C (104.0 F)
199638.5 C (101.3 F)
199738.6 C (101.5 F)
199841.8 C (107.2 F)
199938.2 C (100.8 F)
200038.7 C (101.7 F)
200140.0 C (104.0 F)
200240.3 C (104.5 F)
200339.3 C (102.7 F)
200439.6 C (103.3 F)
200541.7 C (107.1 F)
200636.3 C (97.3 F)
200739.8 C (103.6 F)
200839.7 C (103.5 F)

Coldest night (TNn)

Coldest night (TNn) at Xian by year The coldest night of the year at Xian, 1951 to 2008. The record is -20.6 C (-5.1 F) in 1955, marked on the chart; the median year is -10.0 C (14.0 F). -25-20-15-10-519601970198019902000Record: -20.6 C (-5.1 F) in 1955
The coldest night of the year at Xian, 1951 to 2008. The record is -20.6 C (-5.1 F) in 1955, marked on the chart; the median year is -10.0 C (14.0 F).
Coldest night (TNn) at Xian by year
YearColdest night (TNn)
1951-16.8 C (1.8 F)
1952-12.3 C (9.9 F)
1953-11.9 C (10.6 F)
1954-19.3 C (-2.7 F)
1955-20.6 C (-5.1 F)
1956-15.3 C (4.5 F)
1957-11.9 C (10.6 F)
1958-12.9 C (8.8 F)
1959-11.6 C (11.1 F)
1960-9.4 C (15.1 F)
1961-9.3 C (15.3 F)
1962-8.4 C (16.9 F)
1963-11.1 C (12.0 F)
1964-8.3 C (17.1 F)
1965-8.6 C (16.5 F)
1966-9.9 C (14.2 F)
1967-13.8 C (7.2 F)
1968-12.2 C (10.0 F)
1969-18.7 C (-1.7 F)
1970-8.9 C (16.0 F)
1971-12.0 C (10.4 F)
1972-11.3 C (11.7 F)
1973-9.1 C (15.6 F)
1974-6.7 C (19.9 F)
1975-10.1 C (13.8 F)
1976-10.2 C (13.6 F)
1977-16.0 C (3.2 F)
1978-9.0 C (15.8 F)
1979-9.8 C (14.4 F)
1980-11.1 C (12.0 F)
1981-9.5 C (14.9 F)
1982-8.2 C (17.2 F)
1983-10.1 C (13.8 F)
1984-10.0 C (14.0 F)
1985-8.7 C (16.3 F)
1986-7.6 C (18.3 F)
1987-6.5 C (20.3 F)
1988-10.0 C (14.0 F)
1989-12.1 C (10.2 F)
1990-10.5 C (13.1 F)
1991-14.7 C (5.5 F)
1992-9.6 C (14.7 F)
1993-13.1 C (8.4 F)
1994-12.1 C (10.2 F)
1995-8.4 C (16.9 F)
1996-7.8 C (18.0 F)
1997-7.3 C (18.9 F)
1998-10.8 C (12.6 F)
1999-9.1 C (15.6 F)
2000-6.7 C (19.9 F)
2001-5.7 C (21.7 F)
2002-10.8 C (12.6 F)
2003-9.0 C (15.8 F)
2004-8.1 C (17.4 F)
2005-8.9 C (16.0 F)
2006-13.0 C (8.6 F)
2007-5.9 C (21.4 F)
2008-8.9 C (16.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Xian by year The wettest day of the year at Xian, 1951 to 2008. The record is 110.7 mm (4.4 in) in 1991, marked on the chart; the median year is 51.7 mm (2.0 in). 025507510012519601970198019902000Record: 110.7 mm (4.4 in) in 1991
The wettest day of the year at Xian, 1951 to 2008. The record is 110.7 mm (4.4 in) in 1991, marked on the chart; the median year is 51.7 mm (2.0 in).
Wettest day (Rx1day) at Xian by year
YearWettest day (Rx1day)
195151.9 mm (2.0 in)
195243.1 mm (1.7 in)
195352.1 mm (2.1 in)
195459.7 mm (2.4 in)
195557.0 mm (2.2 in)
195638.0 mm (1.5 in)
195792.3 mm (3.6 in)
195854.8 mm (2.2 in)
195937.5 mm (1.5 in)
196054.8 mm (2.2 in)
196142.0 mm (1.7 in)
196269.8 mm (2.7 in)
196328.6 mm (1.1 in)
196459.2 mm (2.3 in)
196553.1 mm (2.1 in)
196635.1 mm (1.4 in)
196754.1 mm (2.1 in)
196838.9 mm (1.5 in)
196925.5 mm (1.0 in)
197052.5 mm (2.1 in)
197131.4 mm (1.2 in)
197259.3 mm (2.3 in)
197331.3 mm (1.2 in)
197436.7 mm (1.4 in)
197552.2 mm (2.1 in)
197638.5 mm (1.5 in)
197738.3 mm (1.5 in)
197859.9 mm (2.4 in)
197935.4 mm (1.4 in)
198043.5 mm (1.7 in)
198169.9 mm (2.8 in)
198254.7 mm (2.2 in)
198346.1 mm (1.8 in)
198435.8 mm (1.4 in)
198547.4 mm (1.9 in)
198692.5 mm (3.6 in)
198755.8 mm (2.2 in)
198851.4 mm (2.0 in)
198997.0 mm (3.8 in)
199030.1 mm (1.2 in)
1991110.7 mm (4.4 in)
199235.4 mm (1.4 in)
199323.7 mm (0.9 in)
199472.3 mm (2.8 in)
199526.0 mm (1.0 in)
199656.7 mm (2.2 in)
199734.2 mm (1.3 in)
199873.8 mm (2.9 in)
199946.4 mm (1.8 in)
200038.3 mm (1.5 in)
200141.5 mm (1.6 in)
200275.2 mm (3.0 in)
200366.3 mm (2.6 in)
200480.3 mm (3.2 in)
200542.9 mm (1.7 in)
200666.1 mm (2.6 in)
200775.5 mm (3.0 in)
200833.8 mm (1.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Xian by year The wettest five days of the year at Xian, 1951 to 2008. The record is 145.4 mm (5.7 in) in 1957, marked on the chart; the median year is 82.7 mm (3.3 in). 05010015019601970198019902000Record: 145.4 mm (5.7 in) in 1957
The wettest five days of the year at Xian, 1951 to 2008. The record is 145.4 mm (5.7 in) in 1957, marked on the chart; the median year is 82.7 mm (3.3 in).
Wettest five days (Rx5day) at Xian by year
YearWettest five days (Rx5day)
1951111.8 mm (4.4 in)
195290.8 mm (3.6 in)
1953105.7 mm (4.2 in)
1954113.6 mm (4.5 in)
195571.8 mm (2.8 in)
195687.7 mm (3.5 in)
1957145.4 mm (5.7 in)
1958113.4 mm (4.5 in)
195945.6 mm (1.8 in)
196094.6 mm (3.7 in)
196154.7 mm (2.2 in)
196274.3 mm (2.9 in)
196359.5 mm (2.3 in)
1964130.5 mm (5.1 in)
196585.0 mm (3.3 in)
196656.7 mm (2.2 in)
196774.8 mm (2.9 in)
1968103.3 mm (4.1 in)
196951.9 mm (2.0 in)
197079.9 mm (3.1 in)
197155.3 mm (2.2 in)
197268.2 mm (2.7 in)
197365.6 mm (2.6 in)
197499.2 mm (3.9 in)
197595.0 mm (3.7 in)
197697.9 mm (3.9 in)
197740.4 mm (1.6 in)
1978112.2 mm (4.4 in)
197960.4 mm (2.4 in)
198067.3 mm (2.6 in)
198182.1 mm (3.2 in)
198277.4 mm (3.0 in)
1983109.1 mm (4.3 in)
1984100.9 mm (4.0 in)
198592.0 mm (3.6 in)
1986111.6 mm (4.4 in)
198789.1 mm (3.5 in)
198876.5 mm (3.0 in)
198997.5 mm (3.8 in)
199060.6 mm (2.4 in)
1991111.1 mm (4.4 in)
199256.4 mm (2.2 in)
199338.0 mm (1.5 in)
199483.3 mm (3.3 in)
199532.6 mm (1.3 in)
199675.0 mm (3.0 in)
199761.2 mm (2.4 in)
1998143.9 mm (5.7 in)
199976.6 mm (3.0 in)
200068.2 mm (2.7 in)
200168.6 mm (2.7 in)
200275.4 mm (3.0 in)
200393.1 mm (3.7 in)
200485.9 mm (3.4 in)
2005130.4 mm (5.1 in)
2006106.9 mm (4.2 in)
200797.0 mm (3.8 in)
200861.0 mm (2.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Xian by year The longest dry spell of the year at Xian, 1951 to 2008. The record is 76 days in 1999, marked on the chart; the median year is 40 days. 2040608019601970198019902000Record: 76 days in 1999
The longest dry spell of the year at Xian, 1951 to 2008. The record is 76 days in 1999, marked on the chart; the median year is 40 days.
Longest dry spell (CDD) at Xian by year
YearLongest dry spell (CDD)
195125 days
195244 days
195327 days
195425 days
195539 days
195652 days
195735 days
195842 days
195930 days
196044 days
196154 days
196239 days
196348 days
196421 days
196546 days
196648 days
196734 days
196831 days
196945 days
197049 days
197133 days
197236 days
197357 days
197427 days
197534 days
197641 days
197746 days
197846 days
197944 days
198038 days
198135 days
198233 days
198341 days
198452 days
198551 days
198632 days
198747 days
198856 days
198927 days
199032 days
199133 days
199261 days
199331 days
199436 days
199565 days
199636 days
199737 days
199863 days
199976 days
200033 days
200150 days
200239 days
200335 days
200450 days
200548 days
200634 days
200757 days
200846 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

58 years with a frost

Across 58 years with a frost, the median last spring frost at Xian falls on 19 March and the median first autumn frost on 13 November, which leaves a median of 240 days between them.

Fitted over all years, the growing season changes by +4.8 days per decade at this station.

Frost dates and growing season at Xian
MeasureMedian, all yearsEarliest periodRecent period (1979 to 2008)Recent against earliestFitted trend
Last spring frost19 Marchn/a15 Marchn/a-3.2 days per decade
First autumn frost13 Novembern/a14 Novembern/a+1.5 days per decade
Growing days240 daysn/a243 daysn/a+4.8 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

58 years, 1951 to 2008

A day with at least 48.3 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 115.5 mm (4.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Xian: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years48.3 mm (1.9 in)
5 years65.4 mm (2.6 in)
10 years77.1 mm (3.0 in)
25 years92.2 mm (3.6 in)
50 years103.8 mm (4.1 in)
100 years115.5 mm (4.5 in)Longer than the 58 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 58 years of values from 1951 to 2008.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 110.7 mm (4.4 in) in 1991; 97.0 mm (3.8 in) in 1989; 92.5 mm (3.6 in) in 1986.

Station Changes

No change in the annual mean temperature of this station was found against its neighbours.

Download the Data

  • Data for Xian standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Xian threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).