Saint Leo, FL: frost dates by year

Last spring and first fall frost at NOAA station USC00087851, 1951 to 2025, measured from daily minimum temperatures.

Elevation 190 ft, 28.338, -82.260. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Jan 26	Dec 13
Earliest	Jan 1 (1984)	Nov 15 (1969)
Latest	Mar 15 (1993)	Dec 30 (2025)
Trend	0.5 days earlier per decade	2.5 days later per decade
Years with data	72, 12 with no freeze	73, 44 with no freeze

At 28°F (hard freeze) the median last spring date is Jan 21 and the median first fall date is Dec 19.

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)

First fall frost (32°F)

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

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	none	Dec 30	none	none
2024	Jan 21	none	none	none
2023	none	none	none	none
2022	Jan 30	Dec 24	none	Dec 24
2021	none	none	none	none
2020	Jan 22	none	Jan 22	none
2019	none	none	none	none
2018	Jan 18	none	Jan 18	none
2017	Jan 8	none	none	none
2016	Jan 24	none	none	none
2015	Feb 20	none	none	none
2014	no data	none	no data	none
2013	none	none	none	none
2012	Feb 13	none	Jan 4	none
2011	Jan 14	none	Jan 13	none
2010	Jan 12	Dec 7	Jan 11	Dec 14
2009	Feb 6	none	Feb 5	none
2008	Jan 3	none	Jan 3	none
2007	none	none	none	none
2006	Feb 14	none	none	none
2005	Jan 24	none	none	none
2004	none	Dec 15	none	none
2003	Jan 25	none	Jan 24	none
2002	Feb 28	none	Feb 28	none
2001	Jan 21	none	Jan 1	none
2000	Jan 27	Dec 18	none	Dec 20
1999	Jan 6	none	Jan 6	none
1998	none	none	none	none
1997	Jan 19	none	Jan 19	none
1996	Mar 9	Dec 20	Feb 5	none
1995	Feb 9	Dec 11	Feb 9	none
1994	Feb 3	none	none	none
1993	Mar 15	none	none	none
1992	Jan 17	none	Jan 17	none
1991	Feb 17	none	Feb 16	none
1990	Jan 3	none	none	none
1989	Feb 25	Dec 4	Feb 24	Dec 23
1988	Feb 7	Dec 18	none	none
1987	Jan 24	none	none	none
1986	Jan 28	none	Jan 28	none
1985	Jan 27	Dec 26	Jan 22	Dec 26
1984	Jan 1	Dec 7	none	none
1983	Jan 16	Dec 25	none	Dec 25
1982	Jan 16	none	Jan 16	none
1981	Feb 12	Dec 11	Jan 18	Dec 19
1980	Mar 4	none	Mar 3	none
1979	Feb 10	none	Jan 4	none
1978	Feb 23	none	Feb 8	none
1977	Feb 22	Dec 23	Jan 20	none
1976	Jan 19	Dec 22	Jan 19	none
1975	Jan 14	Dec 19	none	Dec 19
1974	no data	none	no data	none
1972	Feb 5	Dec 17	none	none
1971	Feb 15	none	Jan 21	none
1970	Feb 4	Nov 24	Feb 4	Nov 25
1969	none	Nov 15	none	none
1968	Jan 26	Dec 9	none	Dec 16
1967	Feb 26	none	Feb 26	none
1966	Feb 6	Dec 25	Jan 31	none
1965	Jan 18	none	Jan 18	none
1964	Jan 15	none	Jan 15	none
1963	Jan 25	no data	none	no data
1962	Jan 13	Dec 13	Jan 13	Dec 13
1961	Jan 22	Dec 26	Jan 22	none
1960	Jan 24	Dec 13	none	none
1959	Jan 18	Nov 30	Jan 17	none
1958	Feb 19	none	Feb 18	none
1957	Jan 19	Dec 1	none	Dec 12
1956	Jan 9	Nov 28	none	none
1955	Feb 13	Nov 30	Feb 13	none
1954	none	Dec 7	none	none
1953	none	none	none	none
1952	none	none	none	none
1951	Feb 3	none	none	none

"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.