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Built 2026-10-19 (19 October 2026)

Huntsville Threshold Days by Year (USC00414382)

16 fixed thresholds counted per year at Huntsville (USC00414382): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Huntsville Thresholds

  • Huntsville: nights with a minimum temperature at or below 0 C (32 F) in 117 years, most in 1978 with 54.
  • Huntsville: nights with a minimum temperature at or above 20 C (68 F) in 117 years, most in 2010 with 153.
  • Huntsville: days with a maximum temperature at or above 30 C (86 F) in 114 years, most in 1955 with 181.
  • Huntsville: days with a maximum temperature at or above 35 C (95 F) in 114 years, most in 2011 with 105.
  • 16 fixed thresholds have at least one qualifying day at Huntsville.
114 years with a qualifying day
Days at or above 30 C (86 F) per year at Huntsville Days per year at Huntsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 181 in 1955. 0501001502001904: 1551905: 1521908: 1251909: 1301910: 1421911: 1541912: 1221914: 1201915: 1231919: 991920: 1331923: 1151924: 1151925: 1511926: 1261928: 1211929: 1061930: 1061931: 1361932: 1101933: 1401934: 1121935: 1211936: 1451937: 1481938: 1541939: 1551940: 1191941: 1381942: 1231943: 1421944: 1371945: 1401946: 1321947: 1641948: 1661949: 1481950: 1531951: 1471952: 1461953: 1561954: 1481955: 1811956: 1591957: 1191958: 1211959: 1261960: 1331961: 1111962: 1551963: 1671964: 1321965: 1451966: 1311967: 1471968: 1241969: 1461970: 1341971: 1391972: 1531973: 1371974: 1341975: 1351976: 1151977: 1491978: 1501979: 1191980: 1411981: 1411982: 1141983: 1261984: 1431985: 1471986: 1321987: 1301988: 1401989: 1291990: 1371991: 1341992: 1211993: 1191994: 1251995: 1381996: 1421997: 1231998: 1411999: 1492000: 1342001: 1182002: 1312003: 1312004: 1422005: 1432006: 1492007: 1472008: 1292009: 1342010: 1652011: 1632012: 1322013: 1162014: 922015: 1262016: 1212017: 1172018: 1362019: 1332020: 1282021: 1212022: 1482023: 1372024: 1412025: 1612026: 1501904192419371949196119731985199720092021
Days per year at Huntsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 181 in 1955.
Days at or above 30 C (86 F) per year at Huntsville
YearDaysDecade average
1904155140.5
1905152140.5
1908125140.5
1909130140.5
1910142126.7
1911154126.7
1912122126.7
1914120126.7
1915123126.7
191999126.7
1920133123.9
1923115123.9
1924115123.9
1925151123.9
1926126123.9
1928121123.9
1929106123.9
1930106132.7
1931136132.7
1932110132.7
1933140132.7
1934112132.7
1935121132.7
1936145132.7
1937148132.7
1938154132.7
1939155132.7
1940119140.9
1941138140.9
1942123140.9
1943142140.9
1944137140.9
1945140140.9
1946132140.9
1947164140.9
1948166140.9
1949148140.9
1950153145.6
1951147145.6
1952146145.6
1953156145.6
1954148145.6
1955181145.6
1956159145.6
1957119145.6
1958121145.6
1959126145.6
1960133139.1
1961111139.1
1962155139.1
1963167139.1
1964132139.1
1965145139.1
1966131139.1
1967147139.1
1968124139.1
1969146139.1
1970134136.5
1971139136.5
1972153136.5
1973137136.5
1974134136.5
1975135136.5
1976115136.5
1977149136.5
1978150136.5
1979119136.5
1980141134.3
1981141134.3
1982114134.3
1983126134.3
1984143134.3
1985147134.3
1986132134.3
1987130134.3
1988140134.3
1989129134.3
1990137132.9
1991134132.9
1992121132.9
1993119132.9
1994125132.9
1995138132.9
1996142132.9
1997123132.9
1998141132.9
1999149132.9
2000134135.8
2001118135.8
2002131135.8
2003131135.8
2004142135.8
2005143135.8
2006149135.8
2007147135.8
2008129135.8
2009134135.8
2010165130.1
2011163130.1
2012132130.1
2013116130.1
201492130.1
2015126130.1
2016121130.1
2017117130.1
2018136130.1
2019133130.1
2020128140.9
2021121140.9
2022148140.9
2023137140.9
2024141140.9
2025161140.9
2026150140.9
First to last qualifying date each year at Huntsville For each year, a bar from the first to the last day at Huntsville meeting 30 C (86 F). 1904: 29 February 1904 to 17 October 19041905: 3 March 1905 to 19 October 19051908: 17 March 1908 to 27 September 19081909: 3 March 1909 to 18 October 19091910: 23 March 1910 to 26 November 19101911: 19 February 1911 to 11 November 19111912: 15 April 1912 to 12 October 19121914: 16 April 1914 to 11 October 19141915: 20 April 1915 to 18 October 19151919: 29 April 1919 to 28 October 19191920: 16 April 1920 to 13 October 19201923: 12 May 1923 to 4 October 19231924: 22 May 1924 to 3 November 19241925: 13 April 1925 to 15 October 19251926: 7 February 1926 to 19 October 19261928: 17 May 1928 to 22 October 19281929: 1 April 1929 to 11 October 19291930: 8 April 1930 to 29 September 19301931: 26 May 1931 to 31 December 19311932: 24 May 1932 to 25 October 19321933: 10 April 1933 to 23 October 19331934: 12 April 1934 to 25 October 19341935: 13 May 1935 to 23 October 19351936: 15 March 1936 to 3 November 19361937: 19 April 1937 to 31 October 19371938: 5 March 1938 to 13 November 19381939: 27 March 1939 to 28 October 19391940: 29 February 1940 to 24 October 19401941: 8 May 1941 to 27 October 19411942: 12 March 1942 to 3 November 19421943: 24 January 1943 to 1 November 19431944: 10 April 1944 to 26 October 19441945: 27 March 1945 to 7 November 19451946: 30 March 1946 to 1 November 19461947: 1 April 1947 to 5 November 19471948: 20 March 1948 to 5 November 19481949: 8 April 1949 to 22 October 19491950: 26 March 1950 to 16 November 19501951: 9 March 1951 to 1 November 19511952: 1 May 1952 to 28 October 19521953: 19 March 1953 to 23 October 19531954: 25 March 1954 to 22 October 19541955: 12 March 1955 to 15 November 19551956: 16 February 1956 to 30 October 19561957: 11 May 1957 to 6 October 19571958: 5 April 1958 to 10 October 19581959: 30 April 1959 to 14 November 19591960: 7 April 1960 to 6 November 19601961: 15 April 1961 to 2 November 19611962: 27 April 1962 to 21 October 19621963: 18 March 1963 to 7 November 19631964: 20 April 1964 to 17 October 19641965: 4 April 1965 to 27 November 19651966: 1 April 1966 to 15 October 19661967: 12 March 1967 to 14 October 19671968: 28 April 1968 to 31 October 19681969: 20 May 1969 to 12 November 19691970: 21 April 1970 to 28 October 19701971: 15 March 1971 to 19 October 19711972: 18 March 1972 to 1 November 19721973: 13 March 1973 to 24 November 19731974: 20 March 1974 to 3 November 19741975: 27 January 1975 to 25 October 19751976: 30 March 1976 to 5 October 19761977: 3 May 1977 to 1 November 19771978: 5 April 1978 to 4 November 19781979: 8 May 1979 to 22 October 19791980: 30 April 1980 to 10 November 19801981: 31 March 1981 to 18 October 19811982: 19 March 1982 to 2 November 19821983: 29 April 1983 to 21 October 19831984: 28 March 1984 to 2 November 19841985: 16 April 1985 to 25 October 19851986: 19 February 1986 to 5 October 19861987: 17 April 1987 to 18 October 19871988: 23 April 1988 to 15 November 19881989: 31 March 1989 to 15 November 19891990: 23 April 1990 to 16 October 19901991: 6 March 1991 to 30 October 19911992: 14 April 1992 to 1 November 19921993: 16 May 1993 to 20 October 19931994: 28 April 1994 to 21 October 19941995: 23 March 1995 to 28 October 19951996: 21 February 1996 to 18 October 19961997: 29 March 1997 to 6 October 19971998: 2 May 1998 to 6 October 19981999: 10 April 1999 to 23 October 19992000: 10 March 2000 to 25 September 20002001: 9 April 2001 to 25 October 20012002: 18 April 2002 to 7 October 20022003: 3 May 2003 to 4 November 20032004: 8 April 2004 to 1 November 20042005: 31 March 2005 to 7 November 20052006: 17 April 2006 to 11 November 20062007: 4 April 2007 to 15 November 20072008: 15 March 2008 to 7 October 20082009: 22 April 2009 to 16 October 20092010: 4 April 2010 to 2 November 20102011: 27 March 2011 to 18 October 20112012: 1 April 2012 to 22 October 20122013: 18 May 2013 to 13 October 20132014: 5 June 2014 to 11 October 20142015: 26 April 2015 to 17 October 20152016: 15 March 2016 to 20 October 20162017: 5 April 2017 to 15 October 20172018: 3 May 2018 to 15 October 20182019: 10 April 2019 to 21 October 20192020: 26 March 2020 to 23 October 20202021: 13 April 2021 to 26 October 20212022: 6 April 2022 to 17 October 20222023: 4 April 2023 to 22 October 20232024: 19 April 2024 to 30 October 20242025: 14 March 2025 to 29 October 20252026: 17 April 2026 to 15 October 202619041928194319581973198820032018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Huntsville meeting 30 C (86 F).
First to last qualifying date each year at Huntsville
YearFirst dateLast date
19041904-02-291904-10-17
19051905-03-031905-10-19
19081908-03-171908-09-27
19091909-03-031909-10-18
19101910-03-231910-11-26
19111911-02-191911-11-11
19121912-04-151912-10-12
19141914-04-161914-10-11
19151915-04-201915-10-18
19191919-04-291919-10-28
19201920-04-161920-10-13
19231923-05-121923-10-04
19241924-05-221924-11-03
19251925-04-131925-10-15
19261926-02-071926-10-19
19281928-05-171928-10-22
19291929-04-011929-10-11
19301930-04-081930-09-29
19311931-05-261931-12-31
19321932-05-241932-10-25
19331933-04-101933-10-23
19341934-04-121934-10-25
19351935-05-131935-10-23
19361936-03-151936-11-03
19371937-04-191937-10-31
19381938-03-051938-11-13
19391939-03-271939-10-28
19401940-02-291940-10-24
19411941-05-081941-10-27
19421942-03-121942-11-03
19431943-01-241943-11-01
19441944-04-101944-10-26
19451945-03-271945-11-07
19461946-03-301946-11-01
19471947-04-011947-11-05
19481948-03-201948-11-05
19491949-04-081949-10-22
19501950-03-261950-11-16
19511951-03-091951-11-01
19521952-05-011952-10-28
19531953-03-191953-10-23
19541954-03-251954-10-22
19551955-03-121955-11-15
19561956-02-161956-10-30
19571957-05-111957-10-06
19581958-04-051958-10-10
19591959-04-301959-11-14
19601960-04-071960-11-06
19611961-04-151961-11-02
19621962-04-271962-10-21
19631963-03-181963-11-07
19641964-04-201964-10-17
19651965-04-041965-11-27
19661966-04-011966-10-15
19671967-03-121967-10-14
19681968-04-281968-10-31
19691969-05-201969-11-12
19701970-04-211970-10-28
19711971-03-151971-10-19
19721972-03-181972-11-01
19731973-03-131973-11-24
19741974-03-201974-11-03
19751975-01-271975-10-25
19761976-03-301976-10-05
19771977-05-031977-11-01
19781978-04-051978-11-04
19791979-05-081979-10-22
19801980-04-301980-11-10
19811981-03-311981-10-18
19821982-03-191982-11-02
19831983-04-291983-10-21
19841984-03-281984-11-02
19851985-04-161985-10-25
19861986-02-191986-10-05
19871987-04-171987-10-18
19881988-04-231988-11-15
19891989-03-311989-11-15
19901990-04-231990-10-16
19911991-03-061991-10-30
19921992-04-141992-11-01
19931993-05-161993-10-20
19941994-04-281994-10-21
19951995-03-231995-10-28
19961996-02-211996-10-18
19971997-03-291997-10-06
19981998-05-021998-10-06
19991999-04-101999-10-23
20002000-03-102000-09-25
20012001-04-092001-10-25
20022002-04-182002-10-07
20032003-05-032003-11-04
20042004-04-082004-11-01
20052005-03-312005-11-07
20062006-04-172006-11-11
20072007-04-042007-11-15
20082008-03-152008-10-07
20092009-04-222009-10-16
20102010-04-042010-11-02
20112011-03-272011-10-18
20122012-04-012012-10-22
20132013-05-182013-10-13
20142014-06-052014-10-11
20152015-04-262015-10-17
20162016-03-152016-10-20
20172017-04-052017-10-15
20182018-05-032018-10-15
20192019-04-102019-10-21
20202020-03-262020-10-23
20212021-04-132021-10-26
20222022-04-062022-10-17
20232023-04-042023-10-22
20242024-04-192024-10-30
20252025-03-142025-10-29
20262026-04-172026-10-15

Every Fixed Threshold

Fixed thresholds at Huntsville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1141811955150
35 C (95 F): Days114105201158
40 C (104 F): Days2214198014
90 F (32.2 C): Days1141361963114
100 F (37.8 C): Days7748201112
0 C (32 F): Ice days (max69919892
0 C (32 F): Frost days (min11754197810
-10 C (14 F): Days with min28619832
20 C (68 F): Tropical nights (min117153201098
25 C (77 F): Days with min916320105
10 mm (0.39 in): Days with 10 mm or more rain11451192317
25 mm (0.98 in): Days with 25 mm or more rain11426192310
50 mm (1.97 in): Days with 50 mm or more rain1111220241
100 mm (3.94 in): Days with 100 mm or more rain47520245
200 mm (7.87 in): Days with 200 mm or more rain4119871
10 cm (3.9 in): Days with 10 cm or more snowfall3119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

  • Data for Huntsville 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).