Palmdale, CA: frost dates by year

Last spring and first fall frost at NOAA station USC00046624, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,612 ft, 34.588, -118.094. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 30	Nov 12
Earliest	Feb 4 (1992)	Oct 16 (1981)
Latest	Jun 6 (1995)	Dec 17 (1995)
Trend	3.9 days earlier per decade	1.6 days later per decade
Years with data	72	72

At 28°F (hard freeze) the median last spring date is Feb 25 and the median first fall date is Nov 26.

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	Mar 9	Dec 4	Jan 24	none
2024	Apr 6	Nov 7	Feb 11	Dec 10
2023	Apr 5	Nov 25	Mar 2	Nov 26
2022	Mar 12	Nov 10	Feb 27	Nov 20
2021	Mar 16	Dec 10	none	Dec 11
2019	Mar 15	Oct 31	Feb 23	Oct 31
2018	no data	Nov 12	no data	Nov 26
2017	Mar 6	Nov 28	Jan 28	Dec 5
2016	Feb 8	Nov 25	Feb 4	Dec 18
2015	Mar 5	Nov 5	Jan 3	Nov 28
2014	Feb 4	Dec 14	Feb 2	Dec 26
2013	Feb 27	Dec 4	Feb 12	Dec 4
2012	Apr 9	Nov 11	Feb 4	Dec 20
2011	Apr 9	Nov 8	Feb 22	Dec 4
2010	Mar 14	Nov 12	none	Nov 25
2009	Mar 24	Oct 29	Jan 28	Dec 4
2007	Mar 4	Nov 2	Feb 25	Nov 24
2006	Mar 22	Nov 29	Feb 23	Nov 29
2005	Feb 26	Nov 27	none	Nov 27
2004	Feb 16	Nov 29	Feb 13	Nov 29
2003	Mar 2	Nov 23	Feb 9	Nov 23
2002	Mar 19	Dec 12	Mar 4	Dec 19
2001	Apr 10	Nov 27	Feb 8	Nov 28
2000	Apr 1	Nov 12	Jan 8	Nov 12
1999	Apr 10	Nov 22	Feb 13	Nov 23
1998	Apr 8	Oct 31	Jan 25	Dec 7
1997	Mar 5	Dec 10	Mar 1	Dec 10
1996	Mar 29	Nov 28	Mar 29	Nov 29
1995	Jun 6	Dec 17	Mar 30	Dec 17
1994	Mar 23	Nov 4	Feb 14	Nov 4
1993	Feb 27	Nov 16	Feb 27	Nov 26
1992	Feb 4	Nov 11	Jan 16	Nov 11
1991	Mar 28	Oct 31	Jan 30	Nov 30
1990	Mar 14	Nov 3	Feb 19	Nov 27
1989	Mar 4	Oct 30	Mar 4	Nov 29
1988	May 1	Nov 19	May 1	Nov 20
1987	Apr 20	Nov 15	Mar 21	Nov 25
1986	Apr 3	Oct 25	Feb 10	Dec 1
1985	Mar 26	Nov 12	Mar 4	Nov 13
1984	Apr 21	Oct 18	Mar 6	Nov 26
1983	Apr 6	Nov 9	Feb 5	Nov 22
1982	Apr 22	Nov 3	Mar 21	Nov 27
1981	Apr 13	Oct 16	Feb 27	Dec 23
1980	Mar 31	Oct 29	Feb 12	Nov 14
1979	Mar 3	Oct 30	Feb 7	Nov 13
1978	Apr 5	Nov 12	Jan 25	Nov 15
1977	Apr 4	Nov 7	Mar 29	Nov 20
1976	Apr 17	Nov 27	Apr 16	Nov 28
1975	Apr 7	Oct 24	Mar 29	Oct 24
1974	May 19	Oct 31	Mar 4	Nov 23
1973	May 5	Nov 4	Feb 1	Nov 20
1972	Apr 14	Oct 30	Feb 12	Oct 31
1971	Apr 23	Oct 29	Apr 23	Oct 29
1970	Apr 28	Oct 25	Mar 19	Nov 13
1969	Apr 7	Nov 18	Mar 14	Nov 19
1968	Apr 22	Nov 14	Jan 30	Nov 14
1967	May 1	Nov 29	Mar 6	Dec 2
1966	Mar 23	Nov 23	Mar 4	Nov 24
1965	Apr 11	Nov 26	Apr 11	Dec 15
1964	Mar 26	Nov 14	Mar 8	Nov 14
1963	Apr 22	Nov 17	Jan 27	Dec 11
1962	Mar 24	Nov 17	Mar 14	Nov 17
1961	Mar 8	no data	Jan 10	no data
1960	Mar 2	Nov 16	Feb 24	Nov 28
1959	Feb 25	Nov 6	Feb 14	Dec 14
1958	Mar 12	Nov 16	Mar 11	Nov 16
1957	Apr 20	Nov 6	Mar 23	Nov 29
1956	Apr 3	Oct 24	Mar 16	Nov 4
1955	Apr 27	Nov 16	Mar 1	Nov 16
1954	Mar 26	Nov 30	Mar 14	Nov 30
1953	Apr 11	Nov 18	Mar 4	Nov 19
1952	Mar 23	Nov 10	Mar 21	Nov 24
1951	Mar 31	Nov 17	Mar 7	Nov 18

"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.