Built 2026-10-19 (19 October 2026)

Florida Threshold Days by Year (USC00293225)

15 fixed thresholds counted per year at Florida (USC00293225): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Florida Thresholds

  • Florida: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1941 with 14.
  • Florida: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1973 with 151.
  • Florida: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1939 with 160.
  • Florida: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 1939 with 97.
  • 15 fixed thresholds have at least one qualifying day at Florida.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Florida Days per year at Florida with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 160 in 1939. 0501001502001939: 1601940: 1241941: 1331946: 1201947: 1431948: 1371949: 1271951: 1281952: 1371953: 1331954: 1311956: 1431961: 1261962: 1291963: 1441964: 1171965: 1301966: 1321967: 1241968: 1161969: 1381970: 1301971: 1311972: 1181973: 1251974: 1191975: 1201976: 1121977: 1301978: 1281939194619491953196119641967197019731976
Days per year at Florida with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 160 in 1939.
Days at or above 30 C (86 F) per year at Florida
YearDaysDecade average
1939160160
1940124130.7
1941133130.7
1946120130.7
1947143130.7
1948137130.7
1949127130.7
1951128134.4
1952137134.4
1953133134.4
1954131134.4
1956143134.4
1961126128.4
1962129128.4
1963144128.4
1964117128.4
1965130128.4
1966132128.4
1967124128.4
1968116128.4
1969138128.4
1970130123.7
1971131123.7
1972118123.7
1973125123.7
1974119123.7
1975120123.7
1976112123.7
1977130123.7
1978128123.7
First to last qualifying date each year at Florida For each year, a bar from the first to the last day at Florida meeting 30 C (86 F). 1939: 27 April 1939 to 7 October 19391940: 21 April 1940 to 8 October 19401941: 7 May 1941 to 29 September 19411946: 1 April 1946 to 2 October 19461947: 2 May 1947 to 11 October 19471948: 15 April 1948 to 16 October 19481949: 23 April 1949 to 5 October 19491951: 4 May 1951 to 12 October 19511952: 2 May 1952 to 27 October 19521953: 20 May 1953 to 11 October 19531954: 11 April 1954 to 12 October 19541956: 2 May 1956 to 11 October 19561961: 19 April 1961 to 1 October 19611962: 13 April 1962 to 14 October 19621963: 7 April 1963 to 12 October 19631964: 16 April 1964 to 11 September 19641965: 20 April 1965 to 14 October 19651966: 2 April 1966 to 11 October 19661967: 3 April 1967 to 5 October 19671968: 19 May 1968 to 14 October 19681969: 31 March 1969 to 9 October 19691970: 5 May 1970 to 24 September 19701971: 27 March 1971 to 28 September 19711972: 5 April 1972 to 14 October 19721973: 9 May 1973 to 2 October 19731974: 6 April 1974 to 13 September 19741975: 10 May 1975 to 11 October 19751976: 25 April 1976 to 23 September 19761977: 11 April 1977 to 18 October 19771978: 25 April 1978 to 10 October 197819391947195219611965196919731977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Florida meeting 30 C (86 F).
First to last qualifying date each year at Florida
YearFirst dateLast date
19391939-04-271939-10-07
19401940-04-211940-10-08
19411941-05-071941-09-29
19461946-04-011946-10-02
19471947-05-021947-10-11
19481948-04-151948-10-16
19491949-04-231949-10-05
19511951-05-041951-10-12
19521952-05-021952-10-27
19531953-05-201953-10-11
19541954-04-111954-10-12
19561956-05-021956-10-11
19611961-04-191961-10-01
19621962-04-131962-10-14
19631963-04-071963-10-12
19641964-04-161964-09-11
19651965-04-201965-10-14
19661966-04-021966-10-11
19671967-04-031967-10-05
19681968-05-191968-10-14
19691969-03-311969-10-09
19701970-05-051970-09-24
19711971-03-271971-09-28
19721972-04-051972-10-14
19731973-05-091973-10-02
19741974-04-061974-09-13
19751975-05-101975-10-11
19761976-04-251976-09-23
19771977-04-111977-10-18
19781978-04-251978-10-10

Every Fixed Threshold

Fixed thresholds at Florida
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days301601939128
35 C (95 F): Days3097193959
40 C (104 F): Days21619536
90 F (32.2 C): Days30136193994
100 F (37.8 C): Days2933195128
0 C (32 F): Ice days (max12619402
0 C (32 F): Frost days (min311511973121
-10 C (14 F): Days with min293119647
-20 C (-4 F): Days with min3319623
20 C (68 F): Tropical nights (min292619392
25 C (77 F): Days with min2719391
10 mm (0.39 in): Days with 10 mm or more rain401419416
25 mm (0.98 in): Days with 25 mm or more rain29419417
50 mm (1.97 in): Days with 50 mm or more rain7219411
10 cm (3.9 in): Days with 10 cm or more snowfall7219461

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Florida 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 (2025-12-31).