Last Frost Day

Frost history / Tampa Intl Ap, FL

Tampa Intl Ap, FL: frost dates by year

Last spring and first fall frost at NOAA station USW00012842, 1951 to 2024, measured from daily minimum temperatures.

Elevation 19 ft, 27.962, -82.540. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJan 28Dec 18
EarliestJan 1 (1984)Nov 24 (1970)
LatestMar 4 (1980)Dec 26 (1985)
Trend2.9 days earlier per decade2.2 days later per decade
Years with data74, 32 with no freeze74, 52 with no freeze

At 28°F (hard freeze) the median last spring date is Jan 21 and the median first fall date is Dec 17.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

Dec 16Dec 31Jan 15Jan 30Feb 14Mar 1Mar 1619601970198019902000201020201951: Feb 31955: Feb 131956: Jan 141958: Feb 211959: Jan 171960: Jan 241961: Jan 221962: Jan 131964: Jan 151965: Jan 291966: Feb 61967: Feb 261968: Jan 261969: Feb 51970: Feb 41971: Feb 151973: Feb 111974: Feb 271976: Jan 291977: Feb 221978: Feb 231979: Feb 101980: Mar 41981: Jan 191982: Jan 151984: Jan 11985: Jan 271986: Jan 281989: Feb 251995: Feb 91996: Feb 51997: Jan 191999: Jan 62000: Jan 272001: Jan 12003: Jan 242005: Jan 242008: Jan 32009: Feb 52010: Jan 122011: Jan 132018: Jan 18

First fall frost (32°F)

Nov 11Nov 26Dec 11Dec 26Jan 1019601970198019902000201020201957: Dec 121959: Nov 301960: Dec 131962: Dec 121963: Dec 191964: Dec 11965: Dec 11966: Dec 251967: Dec 241968: Dec 161970: Nov 241973: Dec 181975: Dec 191976: Dec 221977: Dec 231981: Dec 111983: Dec 251985: Dec 261989: Dec 232000: Dec 202010: Dec 142022: Dec 24

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2024nonenonenonenone
2023nonenonenonenone
2022noneDec 24nonenone
2021nonenonenonenone
2020nonenonenonenone
2019nonenonenonenone
2018Jan 18nonenonenone
2017nonenonenonenone
2016nonenonenonenone
2015nonenonenonenone
2014nonenonenonenone
2013nonenonenonenone
2012nonenonenonenone
2011Jan 13nonenonenone
2010Jan 12Dec 14Jan 11none
2009Feb 5nonenonenone
2008Jan 3nonenonenone
2007nonenonenonenone
2006nonenonenonenone
2005Jan 24nonenonenone
2004nonenonenonenone
2003Jan 24noneJan 24none
2002nonenonenonenone
2001Jan 1nonenonenone
2000Jan 27Dec 20nonenone
1999Jan 6nonenonenone
1998nonenonenonenone
1997Jan 19nonenonenone
1996Feb 5noneFeb 5none
1995Feb 9noneFeb 9none
1994nonenonenonenone
1993nonenonenonenone
1992nonenonenonenone
1991nonenonenonenone
1990nonenonenonenone
1989Feb 25Dec 23noneDec 23
1988nonenonenonenone
1987nonenonenonenone
1986Jan 28noneJan 28none
1985Jan 27Dec 26Jan 22Dec 26
1984Jan 1noneJan 1none
1983noneDec 25noneDec 25
1982Jan 15noneJan 12none
1981Jan 19Dec 11Jan 13none
1980Mar 4nonenonenone
1979Feb 10noneJan 3none
1978Feb 23nonenonenone
1977Feb 22Dec 23Jan 20none
1976Jan 29Dec 22Jan 19none
1975noneDec 19nonenone
1974Feb 27nonenonenone
1973Feb 11Dec 18nonenone
1972nonenonenonenone
1971Feb 15noneJan 28none
1970Feb 4Nov 24Jan 10Nov 25
1969Feb 5nonenonenone
1968Jan 26Dec 16noneDec 17
1967Feb 26Dec 24Feb 26none
1966Feb 6Dec 25Feb 6none
1965Jan 29Dec 1nonenone
1964Jan 15Dec 1Jan 15none
1963noneDec 19nonenone
1962Jan 13Dec 12noneDec 12
1961Jan 22nonenonenone
1960Jan 24Dec 13nonenone
1959Jan 17Nov 30nonenone
1958Feb 21noneFeb 4none
1957noneDec 12noneDec 12
1956Jan 14nonenonenone
1955Feb 13nonenonenone
1954nonenonenonenone
1953nonenonenonenone
1952nonenonenonenone
1951Feb 3nonenonenone

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.