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Built 2026-10-19 (19 October 2026)

Jacksonville Threshold Days by Year (USC00414525)

18 fixed thresholds counted per year at Jacksonville (USC00414525): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jacksonville Thresholds

  • Jacksonville: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1973 with 52.
  • Jacksonville: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 2001 with 28.
  • Jacksonville: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1990 with 12.
  • Jacksonville: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1978 with 53.
  • 18 fixed thresholds have at least one qualifying day at Jacksonville.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Jacksonville Days per year at Jacksonville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 162 in 2011. 0501001502001954: 1391955: 1451956: 1541958: 1001964: 1211966: 1031967: 1251969: 1321970: 1241971: 1231972: 1471973: 1251974: 1171975: 1311976: 1031977: 1431978: 1451979: 1241980: 1421981: 1341983: 1141984: 1201986: 1301987: 1471990: 1251993: 1001994: 1101995: 1221996: 1142001: 1022006: 1502011: 1622013: 1282014: 1112018: 1292021: 1252023: 1272024: 1322026: 1441954196419701974197819831990199620132023
Days per year at Jacksonville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 162 in 2011.
Days at or above 30 C (86 F) per year at Jacksonville
YearDaysDecade average
1954139134.5
1955145134.5
1956154134.5
1958100134.5
1964121120.3
1966103120.3
1967125120.3
1969132120.3
1970124128.2
1971123128.2
1972147128.2
1973125128.2
1974117128.2
1975131128.2
1976103128.2
1977143128.2
1978145128.2
1979124128.2
1980142131.2
1981134131.2
1983114131.2
1984120131.2
1986130131.2
1987147131.2
1990125114.2
1993100114.2
1994110114.2
1995122114.2
1996114114.2
2001102126
2006150126
2011162132.5
2013128132.5
2014111132.5
2018129132.5
2021125132
2023127132
2024132132
2026144132
First to last qualifying date each year at Jacksonville For each year, a bar from the first to the last day at Jacksonville meeting 30 C (86 F). 1954: 11 March 1954 to 14 October 19541955: 11 March 1955 to 15 November 19551956: 28 April 1956 to 17 October 19561958: 23 April 1958 to 26 September 19581964: 7 April 1964 to 14 November 19641966: 23 March 1966 to 16 October 19661967: 12 March 1967 to 28 October 19671969: 9 April 1969 to 20 October 19691970: 22 April 1970 to 5 October 19701971: 28 March 1971 to 13 November 19711972: 7 April 1972 to 31 October 19721973: 9 May 1973 to 10 October 19731974: 30 March 1974 to 9 October 19741975: 24 April 1975 to 20 October 19751976: 22 May 1976 to 4 October 19761977: 29 April 1977 to 29 October 19771978: 4 April 1978 to 22 October 19781979: 16 April 1979 to 22 October 19791980: 20 February 1980 to 9 November 19801981: 30 March 1981 to 17 October 19811983: 7 May 1983 to 16 October 19831984: 27 March 1984 to 29 October 19841986: 18 February 1986 to 5 October 19861987: 11 April 1987 to 4 November 19871990: 23 April 1990 to 8 October 19901993: 25 April 1993 to 8 October 19931994: 26 April 1994 to 6 October 19941995: 23 March 1995 to 10 October 19951996: 22 February 1996 to 24 September 19962001: 4 May 2001 to 24 October 20012006: 8 April 2006 to 19 October 20062011: 24 March 2011 to 21 November 20112013: 10 April 2013 to 7 October 20132014: 5 May 2014 to 18 October 20142018: 3 May 2018 to 15 October 20182021: 31 March 2021 to 28 October 20212023: 1 March 2023 to 23 October 20232024: 21 April 2024 to 30 October 20242026: 22 March 2026 to 15 October 202619541966197219771983199320062021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jacksonville meeting 30 C (86 F).
First to last qualifying date each year at Jacksonville
YearFirst dateLast date
19541954-03-111954-10-14
19551955-03-111955-11-15
19561956-04-281956-10-17
19581958-04-231958-09-26
19641964-04-071964-11-14
19661966-03-231966-10-16
19671967-03-121967-10-28
19691969-04-091969-10-20
19701970-04-221970-10-05
19711971-03-281971-11-13
19721972-04-071972-10-31
19731973-05-091973-10-10
19741974-03-301974-10-09
19751975-04-241975-10-20
19761976-05-221976-10-04
19771977-04-291977-10-29
19781978-04-041978-10-22
19791979-04-161979-10-22
19801980-02-201980-11-09
19811981-03-301981-10-17
19831983-05-071983-10-16
19841984-03-271984-10-29
19861986-02-181986-10-05
19871987-04-111987-11-04
19901990-04-231990-10-08
19931993-04-251993-10-08
19941994-04-261994-10-06
19951995-03-231995-10-10
19961996-02-221996-09-24
20012001-05-042001-10-24
20062006-04-082006-10-19
20112011-03-242011-11-21
20132013-04-102013-10-07
20142014-05-052014-10-18
20182018-05-032018-10-15
20212021-03-312021-10-28
20232023-03-012023-10-23
20242024-04-212024-10-30
20262026-03-222026-10-15

Every Fixed Threshold

Fixed thresholds at Jacksonville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days391622011144
35 C (95 F): Days39103201167
40 C (104 F): Days132320118
90 F (32.2 C): Days39133201199
100 F (37.8 C): Days2766201119
110 F (43.3 C): Days1119541
0 C (32 F): Ice days (max23819833
0 C (32 F): Frost days (min4153197822
-10 C (14 F): Days with min21719833
-20 C (-4 F): Days with min1220212
20 C (68 F): Tropical nights (min41126196494
25 C (77 F): Days with min303920113
10 mm (0.39 in): Days with 10 mm or more rain4852197320
25 mm (0.98 in): Days with 25 mm or more rain482820019
50 mm (1.97 in): Days with 50 mm or more rain471219903
100 mm (3.94 in): Days with 100 mm or more rain14219731
200 mm (7.87 in): Days with 200 mm or more rain1119691
10 cm (3.9 in): Days with 10 cm or more snowfall4220212

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Jacksonville 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).