Elma, WA: frost dates by year

Last spring and first fall frost at NOAA station USC00452531, 1951 to 2025, measured from daily minimum temperatures.

Elevation 70 ft, 47.009, -123.401. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 6	Oct 14
Earliest	Apr 9 (1957)	Sep 13 (1970)
Latest	Jun 5 (1971)	Nov 23 (1962)
Trend	1.5 days earlier per decade	little change (less than half a day per decade)
Years with data	72	73

At 28°F (hard freeze) the median last spring date is Apr 12 and the median first fall date is Nov 4.

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	May 5	Oct 14	Mar 18	Oct 15
2024	May 1	Nov 7	Apr 18	Dec 1
2023	Apr 20	Oct 26	Apr 5	Oct 27
2022	May 10	Nov 9	Apr 17	Nov 13
2021	Apr 15	Oct 11	Apr 14	Nov 17
2020	May 4	Oct 23	Apr 13	Oct 25
2019	Apr 29	Sep 30	Apr 28	Oct 1
2018	Apr 23	Oct 14	Mar 21	Nov 9
2017	Apr 29	Oct 4	Mar 19	Oct 31
2016	Apr 26	Oct 11	Jan 11	Dec 7
2015	Apr 16	Sep 23	Apr 15	Nov 21
2014	May 7	Nov 10	Mar 22	Nov 14
2013	May 2	Oct 28	May 1	Oct 29
2012	May 19	Oct 3	May 10	Oct 3
2011	May 17	Oct 26	Apr 22	Nov 2
2010	May 7	Oct 13	Mar 19	Nov 11
2009	no data	Oct 5	no data	Nov 14
2008	May 12	Oct 10	May 9	Nov 24
2007	May 5	Oct 25	Mar 21	Oct 26
2006	May 10	Oct 10	May 2	Oct 10
2005	Apr 14	Sep 22	Apr 10	Nov 15
2004	Apr 29	Oct 24	Apr 2	Nov 4
2003	May 19	Oct 30	May 18	Oct 31
2002	May 10	Sep 21	May 8	Oct 11
2001	May 10	Oct 17	Apr 14	Nov 8
2000	May 7	no data	Apr 24	no data
1999	May 13	Sep 28	May 8	Nov 2
1998	Apr 26	Oct 19	Apr 8	Oct 30
1997	May 2	Oct 20	Apr 6	Nov 12
1996	May 9	Oct 16	May 9	Oct 16
1995	Apr 19	Oct 29	Apr 16	Oct 30
1994	May 3	Oct 3	Mar 26	Nov 5
1993	Apr 14	no data	Mar 27	no data
1992	May 12	Oct 6	Apr 23	Oct 15
1991	Jun 4	Oct 27	Apr 13	Oct 29
1990	Apr 9	Oct 6	Mar 26	Dec 16
1989	May 12	Oct 3	Mar 6	Nov 1
1988	May 1	Oct 27	Mar 28	Oct 28
1987	Apr 25	Oct 10	Apr 19	Oct 21
1986	May 15	Oct 12	Apr 24	Nov 10
1985	May 15	Sep 28	May 12	Sep 29
1984	May 6	Oct 16	Apr 26	Dec 3
1983	May 10	Sep 29	Apr 15	Sep 30
1982	May 19	Oct 19	Apr 25	Nov 8
1981	May 8	Oct 13	Apr 14	Oct 21
1980	Jun 3	Oct 9	Apr 2	Dec 6
1979	Apr 10	Nov 1	Apr 7	Nov 8
1978	May 6	Oct 21	Mar 1	Oct 26
1977	May 12	Oct 4	Mar 30	Nov 8
1976	Apr 26	Oct 17	Mar 11	Nov 26
1975	Apr 30	Nov 16	Apr 21	Nov 29
1974	Apr 13	Oct 5	Mar 20	Dec 22
1973	Apr 29	Nov 1	Apr 28	Nov 2
1972	May 25	Sep 26	Apr 22	Oct 30
1971	Jun 5	Oct 16	Mar 25	Oct 17
1970	May 11	Sep 13	Apr 14	Oct 27
1969	Apr 30	Oct 12	Mar 24	Oct 13
1968	May 2	Oct 31	Apr 13	Dec 19
1967	May 25	Nov 3	Apr 1	Nov 21
1966	May 27	Oct 13	Apr 19	none
1965	May 8	Sep 17	Apr 2	Dec 14
1964	May 15	Oct 26	Apr 17	Nov 15
1963	May 4	Nov 20	Mar 12	Nov 30
1962	May 19	Nov 23	Mar 28	Dec 23
1961	no data	Sep 29	no data	Nov 2
1960	May 22	Oct 9	Mar 12	Nov 4
1959	May 11	Oct 30	Mar 14	Nov 5
1958	May 13	Sep 23	Mar 15	Nov 16
1957	Apr 9	Sep 19	Mar 26	Oct 21
1956	May 13	Oct 24	Mar 15	Nov 19
1955	May 31	Nov 11	Apr 25	Nov 12
1954	no data	Sep 30	no data	Oct 26
1953	Apr 29	Oct 22	Apr 7	Nov 3
1952	May 5	Oct 14	Apr 8	Oct 15
1951	May 1	Oct 26	Apr 21	Dec 6

"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.