Ft Bragg 5 N, CA: frost dates by year

Last spring and first fall frost at NOAA station USC00043161, 1951 to 2025, measured from daily minimum temperatures.

Elevation 123 ft, 39.509, -123.757. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 3	Dec 2
Earliest	Jan 1 (2015)	Aug 30 (1995)
Latest	May 24 (1965)	Dec 30 (2014)
Trend	0.5 days earlier per decade	1.1 days earlier per decade
Years with data	64, 5 with no freeze	67, 13 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 1 and the median first fall date is Dec 16.

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	Feb 12	none	none	none
2024	Jan 11	none	none	none
2022	no data	Nov 3	no data	none
2021	no data	Nov 8	no data	none
2018	Mar 26	Dec 28	Feb 20	none
2017	Mar 1	Dec 4	none	none
2016	Jan 2	Dec 6	none	none
2015	Jan 1	Nov 29	none	none
2014	Feb 5	Dec 30	none	none
2013	Mar 8	Dec 4	none	Dec 5
2012	Apr 6	Dec 13	none	none
2011	Apr 9	Dec 7	Feb 26	none
2010	Mar 10	Nov 24	none	none
2009	no data	Dec 6	no data	Dec 8
2008	Apr 24	Dec 2	none	Dec 17
2007	Feb 28	Dec 1	Jan 16	none
2006	Mar 11	Nov 29	none	none
2005	no data	Dec 4	no data	none
2004	Feb 8	Nov 21	none	Nov 21
2003	Feb 9	Nov 4	none	none
2002	Mar 18	none	Jan 30	none
2001	Apr 4	Nov 27	none	none
2000	none	Nov 10	none	none
1999	Apr 9	Dec 3	none	none
1998	Apr 14	Dec 6	none	Dec 21
1997	Apr 2	Dec 9	Jan 14	none
1996	Feb 26	Dec 2	Jan 27	none
1995	Mar 24	Aug 30	none	none
1994	none	Nov 13	none	none
1993	Feb 26	Nov 24	none	none
1992	Jan 12	Dec 18	none	none
1991	Mar 11	Nov 30	Jan 1	none
1990	Mar 12	Nov 2	Feb 18	Dec 20
1989	Feb 28	Nov 27	Feb 8	none
1987	Feb 26	no data	Jan 16	no data
1986	Feb 6	no data	none	no data
1985	Feb 5	no data	none	no data
1983	no data	none	no data	none
1982	Feb 24	Dec 24	none	none
1981	no data	none	no data	none
1980	Jan 31	Dec 7	none	none
1979	Feb 5	Dec 15	Feb 3	none
1978	none	Nov 11	none	Dec 30
1977	Mar 14	Nov 19	none	none
1976	Mar 3	none	Feb 5	none
1975	Apr 17	Nov 18	Jan 30	none
1974	Feb 25	Dec 23	none	none
1973	Jan 27	Dec 2	none	none
1972	Feb 3	Dec 5	none	Dec 8
1971	Mar 5	Oct 29	none	none
1970	Jan 5	Dec 19	none	none
1969	Mar 11	none	none	none
1968	Apr 16	Dec 20	none	Dec 20
1967	none	Dec 13	none	Dec 14
1966	Mar 17	Dec 27	Mar 3	none
1965	May 24	Dec 16	none	none
1964	Mar 2	Nov 14	Mar 2	none
1963	Jan 14	none	none	none
1962	Mar 12	Nov 29	Feb 27	none
1961	Jan 4	Dec 11	none	none
1960	Jan 15	none	Jan 1	none
1959	Feb 12	none	none	none
1958	none	Nov 16	none	none
1957	Feb 4	none	Jan 27	none
1956	Mar 6	Dec 7	none	none
1955	Mar 20	Nov 15	none	none
1954	Mar 12	Dec 26	none	none
1953	Apr 8	none	none	none
1952	Mar 21	none	none	none
1951	Mar 13	Dec 7	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 1991–2020 frost probabilities.