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Built 2026-10-16 (16 October 2026)

Honolulu Intl AP Threshold Days by Year

10 fixed thresholds counted per year at Honolulu Intl AP (USW00022521): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Honolulu Intl AP Thresholds

  • Honolulu Intl AP: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1968 with 25.
  • Honolulu Intl AP: nights with a minimum temperature at or above 20 C (68 F) in 82 years, most in 2020 with 335.
  • Honolulu Intl AP: days with 25 mm (0.98 in) or more of precipitation in 79 years, most in 1965 with 12.
  • Honolulu Intl AP: days with a maximum temperature at or above 30 C (86 F) in 77 years, most in 1995 with 229.
  • 10 fixed thresholds have at least one qualifying day at Honolulu Intl AP.
77 years with a qualifying day
Days at or above 30 C (86 F) per year at Honolulu Intl AP Days per year at Honolulu Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 1995. 01002003001950: 291951: 491952: 71953: 181954: 221955: 11956: 291957: 841958: 651959: 1161960: 1011961: 1061962: 801963: 1431964: 1061965: 1091966: 1681967: 1601968: 1901969: 1701970: 1631971: 781972: 1381973: 1461974: 1751975: 1121976: 1451977: 1761978: 1481979: 1851980: 1791981: 1561982: 1551983: 1971984: 1781985: 1561986: 2131987: 1871988: 2161989: 1791990: 1851991: 1861992: 1841993: 1581994: 2051995: 2291996: 2201997: 1731998: 1171999: 1072000: 1522001: 1372002: 1552003: 1692004: 1772005: 1752006: 1242007: 1572008: 1672009: 1472010: 1492011: 1672012: 1072013: 1112014: 1622015: 1742016: 1302017: 1762018: 1572019: 2012020: 1902021: 1792022: 1792023: 1732024: 1572025: 2122026: 1341950195819661974198219901998200620142022
Days per year at Honolulu Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 1995.
Days at or above 30 C (86 F) per year at Honolulu Intl AP
YearDaysDecade average
19502942
19514942
1952742
19531842
19542242
1955142
19562942
19578442
19586542
195911642
1960101133.3
1961106133.3
196280133.3
1963143133.3
1964106133.3
1965109133.3
1966168133.3
1967160133.3
1968190133.3
1969170133.3
1970163146.6
197178146.6
1972138146.6
1973146146.6
1974175146.6
1975112146.6
1976145146.6
1977176146.6
1978148146.6
1979185146.6
1980179181.6
1981156181.6
1982155181.6
1983197181.6
1984178181.6
1985156181.6
1986213181.6
1987187181.6
1988216181.6
1989179181.6
1990185176.4
1991186176.4
1992184176.4
1993158176.4
1994205176.4
1995229176.4
1996220176.4
1997173176.4
1998117176.4
1999107176.4
2000152156
2001137156
2002155156
2003169156
2004177156
2005175156
2006124156
2007157156
2008167156
2009147156
2010149153.4
2011167153.4
2012107153.4
2013111153.4
2014162153.4
2015174153.4
2016130153.4
2017176153.4
2018157153.4
2019201153.4
2020190174.9
2021179174.9
2022179174.9
2023173174.9
2024157174.9
2025212174.9
2026134174.9
First to last qualifying date each year at Honolulu Intl AP For each year, a bar from the first to the last day at Honolulu Intl AP meeting 30 C (86 F). 1950: 30 June 1950 to 22 November 19501951: 4 June 1951 to 25 October 19511952: 2 August 1952 to 28 September 19521953: 6 August 1953 to 21 October 19531954: 5 August 1954 to 9 November 19541955: 10 September 1955 to 10 September 19551956: 11 July 1956 to 23 October 19561957: 31 May 1957 to 6 December 19571958: 8 February 1958 to 13 November 19581959: 26 January 1959 to 22 November 19591960: 9 March 1960 to 11 December 19601961: 12 March 1961 to 16 December 19611962: 22 April 1962 to 18 November 19621963: 26 May 1963 to 28 November 19631964: 17 April 1964 to 4 November 19641965: 10 May 1965 to 6 November 19651966: 16 March 1966 to 19 November 19661967: 22 April 1967 to 19 November 19671968: 5 March 1968 to 28 November 19681969: 27 April 1969 to 30 December 19691970: 1 February 1970 to 14 December 19701971: 25 April 1971 to 27 October 19711972: 9 May 1972 to 19 November 19721973: 13 April 1973 to 17 November 19731974: 30 March 1974 to 28 November 19741975: 27 May 1975 to 17 November 19751976: 6 May 1976 to 10 December 19761977: 4 February 1977 to 15 December 19771978: 21 January 1978 to 30 November 19781979: 8 April 1979 to 20 December 19791980: 2 May 1980 to 26 November 19801981: 15 February 1981 to 5 November 19811982: 8 April 1982 to 25 October 19821983: 24 March 1983 to 12 December 19831984: 22 January 1984 to 22 November 19841985: 13 April 1985 to 24 November 19851986: 20 January 1986 to 24 December 19861987: 3 January 1987 to 9 December 19871988: 12 January 1988 to 9 December 19881989: 21 March 1989 to 27 December 19891990: 11 April 1990 to 7 December 19901991: 26 April 1991 to 1 December 19911992: 8 March 1992 to 24 December 19921993: 14 April 1993 to 15 November 19931994: 25 April 1994 to 21 December 19941995: 19 March 1995 to 26 December 19951996: 6 January 1996 to 7 November 19961997: 14 April 1997 to 14 November 19971998: 15 January 1998 to 12 November 19981999: 23 May 1999 to 2 November 19992000: 9 May 2000 to 30 October 20002001: 20 May 2001 to 26 October 20012002: 19 February 2002 to 10 November 20022003: 8 April 2003 to 28 November 20032004: 19 February 2004 to 11 November 20042005: 8 April 2005 to 31 October 20052006: 2 June 2006 to 27 December 20062007: 11 April 2007 to 8 November 20072008: 11 March 2008 to 11 November 20082009: 5 May 2009 to 22 November 20092010: 11 May 2010 to 30 November 20102011: 9 April 2011 to 15 November 20112012: 1 April 2012 to 7 November 20122013: 7 April 2013 to 9 December 20132014: 5 May 2014 to 10 December 20142015: 23 February 2015 to 15 December 20152016: 11 February 2016 to 19 December 20162017: 21 March 2017 to 29 November 20172018: 23 February 2018 to 31 December 20182019: 15 March 2019 to 29 November 20192020: 13 February 2020 to 17 December 20202021: 15 January 2021 to 1 December 20212022: 11 March 2022 to 6 December 20222023: 10 January 2023 to 10 December 20232024: 1 May 2024 to 25 December 20242025: 9 January 2025 to 8 December 20252026: 19 April 2026 to 11 October 202619501960197019801990200020102020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Honolulu Intl AP meeting 30 C (86 F).
First to last qualifying date each year at Honolulu Intl AP
YearFirst dateLast date
19501950-06-301950-11-22
19511951-06-041951-10-25
19521952-08-021952-09-28
19531953-08-061953-10-21
19541954-08-051954-11-09
19551955-09-101955-09-10
19561956-07-111956-10-23
19571957-05-311957-12-06
19581958-02-081958-11-13
19591959-01-261959-11-22
19601960-03-091960-12-11
19611961-03-121961-12-16
19621962-04-221962-11-18
19631963-05-261963-11-28
19641964-04-171964-11-04
19651965-05-101965-11-06
19661966-03-161966-11-19
19671967-04-221967-11-19
19681968-03-051968-11-28
19691969-04-271969-12-30
19701970-02-011970-12-14
19711971-04-251971-10-27
19721972-05-091972-11-19
19731973-04-131973-11-17
19741974-03-301974-11-28
19751975-05-271975-11-17
19761976-05-061976-12-10
19771977-02-041977-12-15
19781978-01-211978-11-30
19791979-04-081979-12-20
19801980-05-021980-11-26
19811981-02-151981-11-05
19821982-04-081982-10-25
19831983-03-241983-12-12
19841984-01-221984-11-22
19851985-04-131985-11-24
19861986-01-201986-12-24
19871987-01-031987-12-09
19881988-01-121988-12-09
19891989-03-211989-12-27
19901990-04-111990-12-07
19911991-04-261991-12-01
19921992-03-081992-12-24
19931993-04-141993-11-15
19941994-04-251994-12-21
19951995-03-191995-12-26
19961996-01-061996-11-07
19971997-04-141997-11-14
19981998-01-151998-11-12
19991999-05-231999-11-02
20002000-05-092000-10-30
20012001-05-202001-10-26
20022002-02-192002-11-10
20032003-04-082003-11-28
20042004-02-192004-11-11
20052005-04-082005-10-31
20062006-06-022006-12-27
20072007-04-112007-11-08
20082008-03-112008-11-11
20092009-05-052009-11-22
20102010-05-112010-11-30
20112011-04-092011-11-15
20122012-04-012012-11-07
20132013-04-072013-12-09
20142014-05-052014-12-10
20152015-02-232015-12-15
20162016-02-112016-12-19
20172017-03-212017-11-29
20182018-02-232018-12-31
20192019-03-152019-11-29
20202020-02-132020-12-17
20212021-01-152021-12-01
20222022-03-112022-12-06
20232023-01-102023-12-10
20242024-05-012024-12-25
20252025-01-092025-12-08
20262026-04-192026-10-11

Every Fixed Threshold

Fixed thresholds at Honolulu Intl AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days772291995134
35 C (95 F): Days2119941
90 F (32.2 C): Days64116199518
20 C (68 F): Tropical nights (min823352020249
25 C (77 F): Days with min7292201947
10 mm (0.39 in): Days with 10 mm or more rain8425196815
25 mm (0.98 in): Days with 25 mm or more rain791219655
50 mm (1.97 in): Days with 50 mm or more rain64619512
100 mm (3.94 in): Days with 100 mm or more rain21319551
200 mm (7.87 in): Days with 200 mm or more rain3119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Honolulu Intl AP 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).