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Built 2026-10-19 (19 October 2026)

Haikou Threshold Days by Year (CHM00059758)

12 fixed thresholds counted per year at Haikou (CHM00059758): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haikou Thresholds

  • Haikou: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 2024 with 210.
  • Haikou: days with a maximum temperature at or above 35 C (95 F) in 68 years, most in 2005 with 57.
  • Haikou: days with a maximum temperature at or above 90 F (32.2 C) in 68 years, most in 2024 with 156.
  • Haikou: nights with a minimum temperature at or above 20 C (68 F) in 67 years, most in 1998 with 285.
  • 12 fixed thresholds have at least one qualifying day at Haikou.
68 years with a qualifying day
Days at or above 30 C (86 F) per year at Haikou Days per year at Haikou with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 210 in 2024. 01002003001951: 1791952: 1881953: 1621954: 1601955: 1631956: 1621957: 1571958: 1611959: 1631960: 1581961: 1621962: 1631963: 1651964: 1611965: 1641966: 1841967: 1441968: 1441969: 1851970: 1501971: 1521972: 1621973: 1661974: 1431975: 1651976: 1451977: 1751978: 1531979: 1561980: 1601981: 1671982: 1511983: 1681984: 1531985: 1161986: 1631987: 1981988: 1541989: 1571990: 1621991: 1801992: 1621993: 1731994: 1731995: 1551996: 1441997: 1771998: 1891999: 1772000: 1662001: 1752002: 1682003: 1872004: 1602005: 2002006: 1912007: 1472008: 1482009: 1602010: 1832011: 1402012: 1862014: 1702022: 1762023: 1772024: 2102025: 1422026: 1031951195819651972197919861993200020072022
Days per year at Haikou with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 210 in 2024.
Days at or above 30 C (86 F) per year at Haikou
YearDaysDecade average
1951179166.1
1952188166.1
1953162166.1
1954160166.1
1955163166.1
1956162166.1
1957157166.1
1958161166.1
1959163166.1
1960158163
1961162163
1962163163
1963165163
1964161163
1965164163
1966184163
1967144163
1968144163
1969185163
1970150156.7
1971152156.7
1972162156.7
1973166156.7
1974143156.7
1975165156.7
1976145156.7
1977175156.7
1978153156.7
1979156156.7
1980160158.7
1981167158.7
1982151158.7
1983168158.7
1984153158.7
1985116158.7
1986163158.7
1987198158.7
1988154158.7
1989157158.7
1990162169.2
1991180169.2
1992162169.2
1993173169.2
1994173169.2
1995155169.2
1996144169.2
1997177169.2
1998189169.2
1999177169.2
2000166170.2
2001175170.2
2002168170.2
2003187170.2
2004160170.2
2005200170.2
2006191170.2
2007147170.2
2008148170.2
2009160170.2
2010183169.8
2011140169.8
2012186169.8
2014170169.8
2022176161.6
2023177161.6
2024210161.6
2025142161.6
2026103161.6
First to last qualifying date each year at Haikou For each year, a bar from the first to the last day at Haikou meeting 30 C (86 F). 1951: 9 February 1951 to 22 October 19511952: 12 February 1952 to 13 November 19521953: 25 January 1953 to 10 November 19531954: 23 January 1954 to 7 October 19541955: 6 February 1955 to 4 October 19551956: 14 March 1956 to 11 October 19561957: 23 March 1957 to 10 November 19571958: 11 March 1958 to 24 December 19581959: 2 February 1959 to 8 November 19591960: 2 March 1960 to 23 November 19601961: 7 March 1961 to 10 November 19611962: 25 February 1962 to 2 November 19621963: 10 March 1963 to 9 November 19631964: 15 January 1964 to 19 October 19641965: 18 February 1965 to 15 November 19651966: 12 January 1966 to 18 December 19661967: 21 February 1967 to 12 September 19671968: 19 March 1968 to 19 December 19681969: 20 January 1969 to 15 November 19691970: 22 February 1970 to 26 September 19701971: 1 March 1971 to 3 October 19711972: 3 February 1972 to 2 November 19721973: 22 January 1973 to 5 October 19731974: 22 February 1974 to 18 October 19741975: 3 February 1975 to 5 December 19751976: 17 February 1976 to 24 October 19761977: 17 March 1977 to 30 December 19771978: 14 January 1978 to 27 October 19781979: 28 January 1979 to 1 October 19791980: 28 January 1980 to 24 October 19801981: 16 February 1981 to 5 November 19811982: 22 February 1982 to 28 October 19821983: 31 January 1983 to 21 October 19831984: 15 March 1984 to 11 November 19841985: 2 March 1985 to 22 November 19851986: 13 March 1986 to 27 October 19861987: 6 March 1987 to 2 November 19871988: 27 February 1988 to 23 October 19881989: 8 January 1989 to 5 November 19891990: 21 February 1990 to 8 November 19901991: 13 February 1991 to 17 October 19911992: 2 March 1992 to 4 October 19921993: 20 February 1993 to 16 November 19931994: 11 February 1994 to 12 December 19941995: 15 March 1995 to 15 October 19951996: 16 February 1996 to 30 October 19961997: 13 March 1997 to 29 November 19971998: 9 January 1998 to 1 December 19981999: 25 February 1999 to 11 November 19992000: 19 February 2000 to 23 October 20002001: 24 January 2001 to 3 November 20012002: 13 March 2002 to 5 December 20022003: 26 January 2003 to 20 November 20032004: 29 February 2004 to 12 November 20042005: 26 January 2005 to 14 November 20052006: 17 January 2006 to 27 November 20062007: 16 February 2007 to 8 October 20072008: 11 January 2008 to 7 November 20082009: 12 February 2009 to 12 November 20092010: 9 February 2010 to 13 December 20102011: 21 March 2011 to 24 October 20112012: 4 March 2012 to 1 December 20122014: 1 March 2014 to 1 November 20142022: 20 March 2022 to 30 November 20222023: 11 February 2023 to 11 December 20232024: 18 February 2024 to 23 October 20242025: 4 March 2025 to 8 November 20252026: 1 March 2026 to 22 September 202619511960196919781987199620052022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haikou meeting 30 C (86 F).
First to last qualifying date each year at Haikou
YearFirst dateLast date
19511951-02-091951-10-22
19521952-02-121952-11-13
19531953-01-251953-11-10
19541954-01-231954-10-07
19551955-02-061955-10-04
19561956-03-141956-10-11
19571957-03-231957-11-10
19581958-03-111958-12-24
19591959-02-021959-11-08
19601960-03-021960-11-23
19611961-03-071961-11-10
19621962-02-251962-11-02
19631963-03-101963-11-09
19641964-01-151964-10-19
19651965-02-181965-11-15
19661966-01-121966-12-18
19671967-02-211967-09-12
19681968-03-191968-12-19
19691969-01-201969-11-15
19701970-02-221970-09-26
19711971-03-011971-10-03
19721972-02-031972-11-02
19731973-01-221973-10-05
19741974-02-221974-10-18
19751975-02-031975-12-05
19761976-02-171976-10-24
19771977-03-171977-12-30
19781978-01-141978-10-27
19791979-01-281979-10-01
19801980-01-281980-10-24
19811981-02-161981-11-05
19821982-02-221982-10-28
19831983-01-311983-10-21
19841984-03-151984-11-11
19851985-03-021985-11-22
19861986-03-131986-10-27
19871987-03-061987-11-02
19881988-02-271988-10-23
19891989-01-081989-11-05
19901990-02-211990-11-08
19911991-02-131991-10-17
19921992-03-021992-10-04
19931993-02-201993-11-16
19941994-02-111994-12-12
19951995-03-151995-10-15
19961996-02-161996-10-30
19971997-03-131997-11-29
19981998-01-091998-12-01
19991999-02-251999-11-11
20002000-02-192000-10-23
20012001-01-242001-11-03
20022002-03-132002-12-05
20032003-01-262003-11-20
20042004-02-292004-11-12
20052005-01-262005-11-14
20062006-01-172006-11-27
20072007-02-162007-10-08
20082008-01-112008-11-07
20092009-02-122009-11-12
20102010-02-092010-12-13
20112011-03-212011-10-24
20122012-03-042012-12-01
20142014-03-012014-11-01
20222022-03-202022-11-30
20232023-02-112023-12-11
20242024-02-182024-10-23
20252025-03-042025-11-08
20262026-03-012026-09-22

Every Fixed Threshold

Fixed thresholds at Haikou
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days682102024103
35 C (95 F): Days6857200518
40 C (104 F): Days1320243
90 F (32.2 C): Days68156202464
100 F (37.8 C): Days28819774
20 C (68 F): Tropical nights (min672851998170
25 C (77 F): Days with min671702005114
10 mm (0.39 in): Days with 10 mm or more rain6660199713
25 mm (0.98 in): Days with 25 mm or more rain663119855
50 mm (1.97 in): Days with 50 mm or more rain661520094
100 mm (3.94 in): Days with 100 mm or more rain58620092
200 mm (7.87 in): Days with 200 mm or more rain18220001

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 Haikou 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 (2026-10-17).