Huntsville 1 SSW Threshold Days by Year (USC00033544)

17 fixed thresholds counted per year at Huntsville 1 SSW (USC00033544): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Huntsville 1 SSW Thresholds

Huntsville 1 SSW: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1998 with 102.
Huntsville 1 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1998 with 75.
Huntsville 1 SSW: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1989 with 20.
Huntsville 1 SSW: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1988 with 90.
17 fixed thresholds have at least one qualifying day at Huntsville 1 SSW.

Days at or above 30 C (86 F)

28 years with a qualifying day

Days per year at Huntsville 1 SSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 1998.

Days at or above 30 C (86 F) per year at Huntsville 1 SSW
Year	Days	Decade average
1984	74	66.3
1985	65	66.3
1986	68	66.3
1987	79	66.3
1988	71	66.3
1989	41	66.3
1990	64	55
1991	69	55
1992	26	55
1993	50	55
1994	34	55
1995	56	55
1996	38	55
1997	42	55
1998	102	55
1999	69	55
2000	62	55.6
2001	75	55.6
2002	52	55.6
2003	56	55.6
2004	34	55.6
2005	89	55.6
2006	76	55.6
2007	40	55.6
2008	28	55.6
2009	44	55.6
2010	81	84.5
2011	88	84.5

For each year, a bar from the first to the last day at Huntsville 1 SSW meeting 30 C (86 F).

First to last qualifying date each year at Huntsville 1 SSW
Year	First date	Last date
1984	1984-06-12	1984-09-14
1985	1985-06-01	1985-09-22
1986	1986-06-07	1986-09-10
1987	1987-04-18	1987-09-14
1988	1988-06-07	1988-09-22
1989	1989-04-22	1989-10-16
1990	1990-06-06	1990-09-18
1991	1991-05-27	1991-09-13
1992	1992-06-18	1992-08-25
1993	1993-06-14	1993-09-02
1994	1994-06-01	1994-09-30
1995	1995-03-22	1995-09-06
1996	1996-02-22	1996-09-11
1997	1997-06-19	1997-10-04
1998	1998-05-18	1998-09-29
1999	1999-06-06	1999-10-27
2000	2000-05-23	2000-09-22
2001	2001-05-16	2001-09-08
2002	2002-05-01	2002-09-18
2003	2003-05-30	2003-08-29
2004	2004-06-14	2004-09-19
2005	2005-06-06	2005-10-19
2006	2006-04-16	2006-09-10
2007	2007-05-06	2007-08-28
2008	2008-05-19	2008-09-01
2009	2009-05-31	2009-09-08
2010	2010-06-01	2010-09-20
2011	2011-06-03	2011-09-13

Every Fixed Threshold

Fixed thresholds at Huntsville 1 SSW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	28	102	1998	88
35 C (95 F): Days	21	36	1998	29
40 C (104 F): Days	3	5	2011	5
90 F (32.2 C): Days	28	75	1998	58
100 F (37.8 C): Days	11	8	1998	8
0 C (32 F): Ice days (max	28	20	1989	6
0 C (32 F): Frost days (min	28	90	1988	52
-10 C (14 F): Days with min	28	24	1985	4
-20 C (-4 F): Days with min	4	4	1989	1
20 C (68 F): Tropical nights (min	28	86	2010	80
25 C (77 F): Days with min	16	12	2011	12
10 mm (0.39 in): Days with 10 mm or more rain	27	56	1990	30
25 mm (0.98 in): Days with 25 mm or more rain	27	26	1990	8
50 mm (1.97 in): Days with 50 mm or more rain	23	7	1985	1
100 mm (3.94 in): Days with 100 mm or more rain	7	3	1985	1
10 cm (3.9 in): Days with 10 cm or more snowfall	20	4	2010	4
25 cm (9.8 in): Days with 25 cm or more snowfall	5	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

Data for Huntsville 1 SSW 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Huntsville 1 SSW Threshold Days by Year (USC00033544)

Key Facts for Huntsville 1 SSW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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