San Angelo, TX: frost dates by year

Last spring and first fall frost at NOAA station USW00023034, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,890 ft, 31.371, -100.492. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 23	Nov 11
Earliest	Feb 18 (2023)	Oct 19 (1989)
Latest	Apr 17 (1999)	Dec 8 (1998)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	74	74

At 28°F (hard freeze) the median last spring date is Mar 8 and the median first fall date is Nov 22.

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
2024	Mar 26	Nov 21	Feb 18	Dec 11
2023	Feb 18	Oct 31	Feb 18	Dec 27
2022	Mar 13	Nov 12	Mar 13	Nov 18
2021	Apr 1	Nov 13	Feb 20	Dec 7
2020	Apr 15	Oct 26	Feb 27	Nov 30
2019	Mar 6	Oct 31	Mar 6	Oct 31
2018	Apr 15	Nov 10	Feb 12	Nov 13
2017	Mar 3	Oct 28	Mar 3	Dec 8
2016	Mar 20	Nov 19	Feb 7	Dec 8
2015	Mar 6	Nov 21	Mar 6	Nov 22
2014	Apr 15	Nov 12	Mar 3	Nov 16
2013	Mar 26	Nov 7	Mar 25	Nov 13
2012	Mar 4	Oct 28	Feb 12	Nov 12
2011	Mar 10	Oct 29	Mar 10	Nov 28
2010	Mar 22	Nov 5	Mar 22	Nov 26
2009	Apr 7	Oct 31	Apr 7	Nov 17
2008	Mar 8	Oct 23	Mar 8	Nov 7
2007	Apr 15	Nov 25	Mar 5	Nov 26
2006	Mar 25	Nov 16	Mar 24	Nov 16
2005	Apr 2	Nov 16	Mar 17	Nov 16
2004	Feb 26	Nov 12	Feb 26	Dec 1
2003	Apr 9	Nov 19	Apr 9	Nov 24
2002	Mar 22	Nov 27	Mar 22	Nov 28
2001	Mar 20	Nov 27	Feb 10	Nov 28
2000	Apr 4	Nov 8	Feb 5	Nov 14
1999	Apr 17	Nov 25	Mar 15	Nov 25
1998	Mar 21	Dec 8	Mar 21	Dec 8
1997	Apr 14	Oct 27	Apr 14	Oct 27
1996	Apr 5	Nov 9	Mar 21	Nov 24
1995	Mar 9	Nov 24	Mar 8	Dec 9
1994	Mar 10	Nov 28	Mar 10	Nov 30
1993	Mar 14	Oct 30	Mar 14	Oct 31
1992	Mar 23	Nov 4	Feb 8	Nov 5
1991	Mar 31	Oct 30	Feb 26	Nov 2
1990	Mar 25	Nov 4	Feb 17	Nov 29
1989	Mar 22	Oct 19	Mar 22	Oct 19
1988	Apr 12	Nov 16	Mar 19	Nov 17
1987	Apr 7	Nov 10	Apr 3	Nov 10
1986	Mar 21	Nov 12	Feb 12	Nov 13
1985	Mar 31	Nov 20	Feb 15	Dec 1
1984	Apr 5	Nov 19	Mar 6	Nov 22
1983	Apr 15	Nov 20	Apr 9	Nov 27
1982	Apr 11	Nov 3	Mar 7	Nov 4
1981	Mar 19	Nov 9	Feb 12	Nov 10
1980	Mar 18	Oct 30	Mar 18	Nov 18
1979	Mar 5	Nov 11	Feb 26	Nov 11
1978	Mar 9	Nov 28	Mar 5	Dec 3
1977	Mar 6	Nov 9	Mar 4	Nov 10
1976	Mar 16	Nov 12	Mar 14	Nov 12
1975	Apr 3	Nov 13	Mar 30	Nov 21
1974	Apr 5	Nov 25	Feb 26	Nov 30
1973	Apr 10	Nov 28	Apr 9	Nov 29
1972	Apr 1	Nov 15	Mar 31	Nov 20
1971	Apr 7	Dec 3	Mar 7	Dec 4
1970	Apr 5	Oct 29	Mar 13	Nov 4
1969	Mar 26	Nov 14	Mar 13	Nov 19
1968	Apr 5	Nov 11	Mar 22	Nov 19
1967	Mar 8	Nov 3	Mar 8	Nov 4
1966	Mar 24	Nov 2	Mar 24	Nov 2
1965	Mar 27	Nov 29	Mar 26	Nov 29
1964	Mar 21	Nov 20	Feb 28	Nov 22
1963	Mar 9	Nov 2	Feb 22	Dec 3
1962	Mar 16	Dec 5	Mar 16	Dec 11
1961	Mar 20	Nov 20	Feb 28	Dec 12
1960	Mar 18	Nov 10	Mar 5	Nov 30
1959	Apr 13	Nov 6	Mar 12	Nov 6
1958	Mar 20	Nov 19	Mar 14	Nov 19
1957	Apr 13	Oct 27	Jan 27	Nov 23
1956	Mar 16	Nov 17	Mar 16	Nov 27
1955	Mar 28	Oct 25	Mar 28	Nov 17
1954	Mar 15	Nov 5	Mar 6	Nov 5
1953	Mar 4	Nov 9	Feb 22	Nov 22
1952	Mar 23	Nov 11	Mar 23	Dec 5
1951	Apr 12	Nov 2	Mar 19	Nov 2

"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.