Built 2026-10-19 (19 October 2026)

Sapporo Threshold Days by Year (JA000047412)

14 fixed thresholds counted per year at Sapporo (JA000047412): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sapporo Thresholds

  • Sapporo: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1969 with 75.
  • Sapporo: days with a maximum temperature at or above 30 C (86 F) in 60 years, most in 1951 with 27.
  • Sapporo: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1972 with 53.
  • Sapporo: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1955 with 15.
  • 14 fixed thresholds have at least one qualifying day at Sapporo.
60 years with a qualifying day
Days at or above 30 C (86 F) per year at Sapporo Days per year at Sapporo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1951. 01020301951: 271952: 81953: 61955: 161956: 31957: 21958: 51959: 41960: 111961: 81962: 31963: 21964: 21965: 71966: 81967: 81968: 61969: 51970: 91971: 51972: 51973: 141974: 31975: 41976: 61977: 61978: 171979: 61980: 11981: 91982: 51983: 51984: 191985: 191986: 111987: 21988: 51989: 111990: 81991: 31992: 11993: 11994: 191995: 31996: 21997: 131998: 12000: 92002: 22004: 142006: 142007: 102008: 42009: 42010: 202011: 112012: 202018: 82025: 242026: 91951195819641970197619821988199420022010
Days per year at Sapporo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1951.
Days at or above 30 C (86 F) per year at Sapporo
YearDaysDecade average
1951278.9
195288.9
195368.9
1955168.9
195638.9
195728.9
195858.9
195948.9
1960116
196186
196236
196326
196426
196576
196686
196786
196866
196956
197097.5
197157.5
197257.5
1973147.5
197437.5
197547.5
197667.5
197767.5
1978177.5
197967.5
198018.7
198198.7
198258.7
198358.7
1984198.7
1985198.7
1986118.7
198728.7
198858.7
1989118.7
199085.7
199135.7
199215.7
199315.7
1994195.7
199535.7
199625.7
1997135.7
199815.7
200098.1
200228.1
2004148.1
2006148.1
2007108.1
200848.1
200948.1
20102014.8
20111114.8
20122014.8
2018814.8
20252416.5
2026916.5
First to last qualifying date each year at Sapporo For each year, a bar from the first to the last day at Sapporo meeting 30 C (86 F). 1951: 3 June 1951 to 26 August 19511952: 22 July 1952 to 2 September 19521953: 24 July 1953 to 12 August 19531955: 2 July 1955 to 9 August 19551956: 28 July 1956 to 6 September 19561957: 23 August 1957 to 24 August 19571958: 15 July 1958 to 12 August 19581959: 16 August 1959 to 21 August 19591960: 30 June 1960 to 9 August 19601961: 11 July 1961 to 15 August 19611962: 30 June 1962 to 16 August 19621963: 30 July 1963 to 31 July 19631964: 6 July 1964 to 24 July 19641965: 9 August 1965 to 30 August 19651966: 16 July 1966 to 31 August 19661967: 26 May 1967 to 3 August 19671968: 23 July 1968 to 6 August 19681969: 18 July 1969 to 25 July 19691970: 22 July 1970 to 23 August 19701971: 30 July 1971 to 6 August 19711972: 20 July 1972 to 17 August 19721973: 14 July 1973 to 15 August 19731974: 26 July 1974 to 5 August 19741975: 1 August 1975 to 16 August 19751976: 23 July 1976 to 2 August 19761977: 24 July 1977 to 31 July 19771978: 9 July 1978 to 23 August 19781979: 31 July 1979 to 17 August 19791980: 7 June 1980 to 7 June 19801981: 17 July 1981 to 3 August 19811982: 7 July 1982 to 20 August 19821983: 5 August 1983 to 15 August 19831984: 27 July 1984 to 21 August 19841985: 25 July 1985 to 21 August 19851986: 28 July 1986 to 18 August 19861987: 26 July 1987 to 31 August 19871988: 2 August 1988 to 23 August 19881989: 21 July 1989 to 22 August 19891990: 24 July 1990 to 3 September 19901991: 26 June 1991 to 20 August 19911992: 7 July 1992 to 7 July 19921993: 26 August 1993 to 26 August 19931994: 14 July 1994 to 5 September 19941995: 24 July 1995 to 27 July 19951996: 29 July 1996 to 14 August 19961997: 24 June 1997 to 4 August 19971998: 27 July 1998 to 27 July 19982000: 11 July 2000 to 25 August 20002002: 13 July 2002 to 1 August 20022004: 14 June 2004 to 9 August 20042006: 14 July 2006 to 27 August 20062007: 25 July 2007 to 21 September 20072008: 5 July 2008 to 6 August 20082009: 25 June 2009 to 12 August 20092010: 26 June 2010 to 6 September 20102011: 29 June 2011 to 1 September 20112012: 30 June 2012 to 18 September 20122018: 4 June 2018 to 1 August 20182025: 20 June 2025 to 20 August 20252026: 1 June 2026 to 23 August 202619511960196819761984199220022012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sapporo meeting 30 C (86 F).
First to last qualifying date each year at Sapporo
YearFirst dateLast date
19511951-06-031951-08-26
19521952-07-221952-09-02
19531953-07-241953-08-12
19551955-07-021955-08-09
19561956-07-281956-09-06
19571957-08-231957-08-24
19581958-07-151958-08-12
19591959-08-161959-08-21
19601960-06-301960-08-09
19611961-07-111961-08-15
19621962-06-301962-08-16
19631963-07-301963-07-31
19641964-07-061964-07-24
19651965-08-091965-08-30
19661966-07-161966-08-31
19671967-05-261967-08-03
19681968-07-231968-08-06
19691969-07-181969-07-25
19701970-07-221970-08-23
19711971-07-301971-08-06
19721972-07-201972-08-17
19731973-07-141973-08-15
19741974-07-261974-08-05
19751975-08-011975-08-16
19761976-07-231976-08-02
19771977-07-241977-07-31
19781978-07-091978-08-23
19791979-07-311979-08-17
19801980-06-071980-06-07
19811981-07-171981-08-03
19821982-07-071982-08-20
19831983-08-051983-08-15
19841984-07-271984-08-21
19851985-07-251985-08-21
19861986-07-281986-08-18
19871987-07-261987-08-31
19881988-08-021988-08-23
19891989-07-211989-08-22
19901990-07-241990-09-03
19911991-06-261991-08-20
19921992-07-071992-07-07
19931993-08-261993-08-26
19941994-07-141994-09-05
19951995-07-241995-07-27
19961996-07-291996-08-14
19971997-06-241997-08-04
19981998-07-271998-07-27
20002000-07-112000-08-25
20022002-07-132002-08-01
20042004-06-142004-08-09
20062006-07-142006-08-27
20072007-07-252007-09-21
20082008-07-052008-08-06
20092009-06-252009-08-12
20102010-06-262010-09-06
20112011-06-292011-09-01
20122012-06-302012-09-18
20182018-06-042018-08-01
20252025-06-202025-08-20
20262026-06-012026-08-23

Every Fixed Threshold

Fixed thresholds at Sapporo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days602719519
35 C (95 F): Days5220001
90 F (32.2 C): Days431020252
0 C (32 F): Ice days (max6375196933
0 C (32 F): Frost days (min41159196564
-10 C (14 F): Days with min405819523
-20 C (-4 F): Days with min3219531
20 C (68 F): Tropical nights (min4161202535
25 C (77 F): Days with min3320253
10 mm (0.39 in): Days with 10 mm or more rain6053197227
25 mm (0.98 in): Days with 25 mm or more rain6015195520
50 mm (1.97 in): Days with 50 mm or more rain475197217
100 mm (3.94 in): Days with 100 mm or more rain9319818
200 mm (7.87 in): Days with 200 mm or more rain2119815

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Sapporo 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). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-18).