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Built 2026-10-19 (19 October 2026)

Houston Intercontinental AP Threshold Days by Year (USW00012960)

15 fixed thresholds counted per year at Houston Intercontinental AP (USW00012960): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Houston Intercontinental AP Thresholds

  • Houston Intercontinental AP: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 2025 with 192.
  • Houston Intercontinental AP: days with a maximum temperature at or above 35 C (95 F) in 57 years, most in 2011 with 108.
  • Houston Intercontinental AP: days with a maximum temperature at or above 90 F (32.2 C) in 57 years, most in 2025 with 145.
  • Houston Intercontinental AP: nights with a minimum temperature at or above 20 C (68 F) in 57 years, most in 2025 with 180.
  • 15 fixed thresholds have at least one qualifying day at Houston Intercontinental AP.
57 years with a qualifying day
Days at or above 30 C (86 F) per year at Houston Intercontinental AP Days per year at Houston Intercontinental AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 192 in 2025. 0501001502001970: 1211971: 1321972: 1491973: 1351974: 1311975: 1401976: 1151977: 1391978: 1541979: 1391980: 1531981: 1571982: 1451983: 1141984: 1381985: 1411986: 1411987: 1471988: 1581989: 1401990: 1491991: 1541992: 1371993: 1371994: 1521995: 1521996: 1581997: 1271998: 1521999: 1702000: 1522001: 1292002: 1422003: 1472004: 1492005: 1572006: 1532007: 1472008: 1402009: 1412010: 1672011: 1772012: 1582013: 1432014: 1412015: 1472016: 1472017: 1632018: 1492019: 1552020: 1672021: 1502022: 1692023: 1632024: 1752025: 1922026: 1611970197619821988199420002006201220182024
Days per year at Houston Intercontinental AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 192 in 2025.
Days at or above 30 C (86 F) per year at Houston Intercontinental AP
YearDaysDecade average
1970121135.5
1971132135.5
1972149135.5
1973135135.5
1974131135.5
1975140135.5
1976115135.5
1977139135.5
1978154135.5
1979139135.5
1980153143.4
1981157143.4
1982145143.4
1983114143.4
1984138143.4
1985141143.4
1986141143.4
1987147143.4
1988158143.4
1989140143.4
1990149148.8
1991154148.8
1992137148.8
1993137148.8
1994152148.8
1995152148.8
1996158148.8
1997127148.8
1998152148.8
1999170148.8
2000152145.7
2001129145.7
2002142145.7
2003147145.7
2004149145.7
2005157145.7
2006153145.7
2007147145.7
2008140145.7
2009141145.7
2010167154.7
2011177154.7
2012158154.7
2013143154.7
2014141154.7
2015147154.7
2016147154.7
2017163154.7
2018149154.7
2019155154.7
2020167168.1
2021150168.1
2022169168.1
2023163168.1
2024175168.1
2025192168.1
2026161168.1
First to last qualifying date each year at Houston Intercontinental AP For each year, a bar from the first to the last day at Houston Intercontinental AP meeting 30 C (86 F). 1970: 27 April 1970 to 27 October 19701971: 22 March 1971 to 2 November 19711972: 28 March 1972 to 6 November 19721973: 25 April 1973 to 22 November 19731974: 11 March 1974 to 29 October 19741975: 7 March 1975 to 8 November 19751976: 11 May 1976 to 4 October 19761977: 2 May 1977 to 31 October 19771978: 18 April 1978 to 15 November 19781979: 11 April 1979 to 29 October 19791980: 10 March 1980 to 9 November 19801981: 30 March 1981 to 17 October 19811982: 19 March 1982 to 1 November 19821983: 1 May 1983 to 17 October 19831984: 27 March 1984 to 1 November 19841985: 15 April 1985 to 24 October 19851986: 18 February 1986 to 8 November 19861987: 16 April 1987 to 5 November 19871988: 22 April 1988 to 14 November 19881989: 30 March 1989 to 14 November 19891990: 29 April 1990 to 17 October 19901991: 6 March 1991 to 29 October 19911992: 13 April 1992 to 3 November 19921993: 25 April 1993 to 19 October 19931994: 26 April 1994 to 9 November 19941995: 22 March 1995 to 2 November 19951996: 20 February 1996 to 31 October 19961997: 28 March 1997 to 12 October 19971998: 7 April 1998 to 17 October 19981999: 6 April 1999 to 22 October 19992000: 9 March 2000 to 16 October 20002001: 10 April 2001 to 24 October 20012002: 30 March 2002 to 6 October 20022003: 17 April 2003 to 30 October 20032004: 22 April 2004 to 31 October 20042005: 13 March 2005 to 15 November 20052006: 3 April 2006 to 10 November 20062007: 28 April 2007 to 14 November 20072008: 14 March 2008 to 14 October 20082009: 21 April 2009 to 15 October 20092010: 3 April 2010 to 1 November 20102011: 26 March 2011 to 27 October 20112012: 25 March 2012 to 2 November 20122013: 18 March 2013 to 15 October 20132014: 22 April 2014 to 28 October 20142015: 7 April 2015 to 28 October 20152016: 14 March 2016 to 4 November 20162017: 7 February 2017 to 17 November 20172018: 25 April 2018 to 7 November 20182019: 25 March 2019 to 20 October 20192020: 23 March 2020 to 14 November 20202021: 26 March 2021 to 26 October 20212022: 26 March 2022 to 7 November 20222023: 8 March 2023 to 7 November 20232024: 27 February 2024 to 25 November 20242025: 8 February 2025 to 21 November 20252026: 27 February 2026 to 13 October 202619701978198619942002201020182026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Houston Intercontinental AP meeting 30 C (86 F).
First to last qualifying date each year at Houston Intercontinental AP
YearFirst dateLast date
19701970-04-271970-10-27
19711971-03-221971-11-02
19721972-03-281972-11-06
19731973-04-251973-11-22
19741974-03-111974-10-29
19751975-03-071975-11-08
19761976-05-111976-10-04
19771977-05-021977-10-31
19781978-04-181978-11-15
19791979-04-111979-10-29
19801980-03-101980-11-09
19811981-03-301981-10-17
19821982-03-191982-11-01
19831983-05-011983-10-17
19841984-03-271984-11-01
19851985-04-151985-10-24
19861986-02-181986-11-08
19871987-04-161987-11-05
19881988-04-221988-11-14
19891989-03-301989-11-14
19901990-04-291990-10-17
19911991-03-061991-10-29
19921992-04-131992-11-03
19931993-04-251993-10-19
19941994-04-261994-11-09
19951995-03-221995-11-02
19961996-02-201996-10-31
19971997-03-281997-10-12
19981998-04-071998-10-17
19991999-04-061999-10-22
20002000-03-092000-10-16
20012001-04-102001-10-24
20022002-03-302002-10-06
20032003-04-172003-10-30
20042004-04-222004-10-31
20052005-03-132005-11-15
20062006-04-032006-11-10
20072007-04-282007-11-14
20082008-03-142008-10-14
20092009-04-212009-10-15
20102010-04-032010-11-01
20112011-03-262011-10-27
20122012-03-252012-11-02
20132013-03-182013-10-15
20142014-04-222014-10-28
20152015-04-072015-10-28
20162016-03-142016-11-04
20172017-02-072017-11-17
20182018-04-252018-11-07
20192019-03-252019-10-20
20202020-03-232020-11-14
20212021-03-262021-10-26
20222022-03-262022-11-07
20232023-03-082023-11-07
20242024-02-272024-11-25
20252025-02-082025-11-21
20262026-02-272026-10-13

Every Fixed Threshold

Fixed thresholds at Houston Intercontinental AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days571922025161
35 C (95 F): Days57108201174
40 C (104 F): Days13920239
90 F (32.2 C): Days571452025127
100 F (37.8 C): Days414620119
0 C (32 F): Ice days (max9519891
0 C (32 F): Frost days (min564219789
-10 C (14 F): Days with min4319891
20 C (68 F): Tropical nights (min571802025171
25 C (77 F): Days with min5471202359
10 mm (0.39 in): Days with 10 mm or more rain5751197328
25 mm (0.98 in): Days with 25 mm or more rain5726200113
50 mm (1.97 in): Days with 50 mm or more rain561019733
100 mm (3.94 in): Days with 100 mm or more rain29319891
200 mm (7.87 in): Days with 200 mm or more rain8220171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Houston Intercontinental 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).