Huntsville Intnl AP Threshold Days by Year (USW00003856)

18 fixed thresholds counted per year at Huntsville Intnl AP (USW00003856): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Huntsville Intnl AP Thresholds

Huntsville Intnl AP: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 2016 with 143.
Huntsville Intnl AP: days with a maximum temperature at or above 90 F (32.2 C) in 68 years, most in 2016 with 111.
Huntsville Intnl AP: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1968 with 93.
Huntsville Intnl AP: nights with a minimum temperature at or above 20 C (68 F) in 68 years, most in 2018 with 127.
18 fixed thresholds have at least one qualifying day at Huntsville Intnl AP.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Huntsville Intnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 143 in 2016.

Days at or above 30 C (86 F) per year at Huntsville Intnl AP
Year	Days	Decade average
1959	120	120
1960	111	97.6
1961	90	97.6
1962	123	97.6
1963	118	97.6
1964	90	97.6
1965	105	97.6
1966	88	97.6
1967	64	97.6
1968	87	97.6
1969	100	97.6
1970	103	80.3
1971	76	80.3
1972	76	80.3
1973	89	80.3
1974	65	80.3
1975	84	80.3
1976	52	80.3
1977	97	80.3
1978	95	80.3
1979	66	80.3
1980	105	89.2
1981	74	89.2
1982	85	89.2
1983	82	89.2
1984	80	89.2
1985	75	89.2
1986	110	89.2
1987	111	89.2
1988	94	89.2
1989	76	89.2
1990	109	91.1
1991	100	91.1
1992	61	91.1
1993	103	91.1
1994	70	91.1
1995	91	91.1
1996	81	91.1
1997	71	91.1
1998	125	91.1
1999	100	91.1
2000	109	101.3
2001	76	101.3
2002	120	101.3
2003	80	101.3
2004	73	101.3
2005	110	101.3
2006	115	101.3
2007	135	101.3
2008	107	101.3
2009	88	101.3
2010	135	119.2
2011	108	119.2
2012	101	119.2
2013	95	119.2
2014	113	119.2
2015	115	119.2
2016	143	119.2
2017	106	119.2
2018	139	119.2
2019	137	119.2
2020	94	106.4
2021	78	106.4
2022	107	106.4
2023	112	106.4
2024	122	106.4
2025	116	106.4
2026	116	106.4

For each year, a bar from the first to the last day at Huntsville Intnl AP meeting 30 C (86 F).

First to last qualifying date each year at Huntsville Intnl AP
Year	First date	Last date
1959	1959-04-07	1959-10-05
1960	1960-04-23	1960-10-02
1961	1961-04-23	1961-09-29
1962	1962-04-30	1962-10-16
1963	1963-03-30	1963-10-22
1964	1964-04-19	1964-09-22
1965	1965-04-09	1965-10-17
1966	1966-05-07	1966-09-25
1967	1967-03-12	1967-10-07
1968	1968-04-19	1968-10-02
1969	1969-04-04	1969-10-13
1970	1970-04-22	1970-10-02
1971	1971-04-17	1971-10-04
1972	1972-04-14	1972-09-25
1973	1973-05-10	1973-10-04
1974	1974-05-18	1974-09-20
1975	1975-04-26	1975-10-13
1976	1976-06-09	1976-08-29
1977	1977-04-17	1977-09-10
1978	1978-04-09	1978-09-20
1979	1979-05-10	1979-09-12
1980	1980-04-22	1980-09-23
1981	1981-05-29	1981-10-06
1982	1982-05-13	1982-10-09
1983	1983-06-03	1983-10-03
1984	1984-05-07	1984-09-25
1985	1985-04-21	1985-09-11
1986	1986-04-25	1986-10-04
1987	1987-04-20	1987-09-17
1988	1988-04-05	1988-09-24
1989	1989-04-23	1989-09-14
1990	1990-05-03	1990-10-09
1991	1991-05-15	1991-09-18
1992	1992-05-11	1992-09-20
1993	1993-05-06	1993-09-25
1994	1994-04-21	1994-09-17
1995	1995-04-09	1995-09-15
1996	1996-04-28	1996-09-16
1997	1997-05-18	1997-09-21
1998	1998-05-13	1998-10-05
1999	1999-04-03	1999-10-03
2000	2000-05-05	2000-10-05
2001	2001-04-10	2001-09-23
2002	2002-04-17	2002-10-06
2003	2003-04-14	2003-09-26
2004	2004-03-20	2004-09-27
2005	2005-05-10	2005-10-19
2006	2006-04-14	2006-10-05
2007	2007-03-25	2007-10-08
2008	2008-04-25	2008-09-30
2009	2009-04-24	2009-10-09
2010	2010-04-05	2010-10-11
2011	2011-04-09	2011-10-17
2012	2012-04-29	2012-09-28
2013	2013-04-10	2013-10-05
2014	2014-05-04	2014-10-27
2015	2015-05-05	2015-10-15
2016	2016-04-26	2016-11-03
2017	2017-04-13	2017-10-15
2018	2018-05-02	2018-10-08
2019	2019-04-29	2019-10-05
2020	2020-05-16	2020-09-17
2021	2021-05-21	2021-10-01
2022	2022-05-02	2022-09-24
2023	2023-04-04	2023-10-04
2024	2024-04-26	2024-10-26
2025	2025-04-02	2025-10-01
2026	2026-04-16	2026-10-14

Every Fixed Threshold

Fixed thresholds at Huntsville Intnl AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	143	2016	116
35 C (95 F): Days	61	55	2016	22
40 C (104 F): Days	4	3	2007	3
90 F (32.2 C): Days	68	111	2016	78
100 F (37.8 C): Days	31	13	2007	1
0 C (32 F): Ice days (max	59	15	1978	2
0 C (32 F): Frost days (min	68	93	1968	35
-10 C (14 F): Days with min	57	14	1977	1
-20 C (-4 F): Days with min	4	2	1985	2
20 C (68 F): Tropical nights (min	68	127	2018	103
25 C (77 F): Days with min	17	13	2010	5
10 mm (0.39 in): Days with 10 mm or more rain	68	61	1989	37
25 mm (0.98 in): Days with 25 mm or more rain	68	27	1989	10
50 mm (1.97 in): Days with 50 mm or more rain	64	8	1964	4
100 mm (3.94 in): Days with 100 mm or more rain	18	2	1980	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1990	1
10 cm (3.9 in): Days with 10 cm or more snowfall	10	2	1963	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

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Data for Huntsville Intnl 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Huntsville Intnl AP Threshold Days by Year (USW00003856)

Key Facts for Huntsville Intnl AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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