Landsburg, WA: frost dates by year

Last spring and first fall frost at NOAA station USC00454486, 1951 to 2023, measured from daily minimum temperatures.

Elevation 535 ft, 47.377, -121.961. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 1	Oct 16
Earliest	Feb 16 (1980)	Sep 13 (1970)
Latest	Jul 5 (2023)	Dec 4 (2016)
Trend	2.4 days earlier per decade	3.1 days later per decade
Years with data	64	67

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 11.

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
2023	Jul 5	no data	Apr 20	no data
2022	May 18	Nov 7	May 15	Nov 8
2021	Apr 15	Oct 12	Apr 11	Nov 17
2020	Apr 13	Oct 25	Apr 1	Nov 8
2019	Apr 28	Oct 1	Mar 11	Oct 29
2018	Mar 25	Nov 7	Mar 20	Nov 11
2017	Apr 16	Oct 14	Mar 19	Dec 5
2016	Mar 29	Dec 4	Mar 17	Dec 5
2015	Apr 16	Nov 4	Apr 13	Nov 20
2014	Mar 31	Nov 11	Mar 22	Nov 13
2013	May 1	Oct 29	Mar 24	Nov 20
2012	May 11	Nov 8	Mar 23	Nov 9
2011	May 30	Oct 24	Mar 19	Oct 24
2010	May 8	Oct 5	Apr 25	Nov 20
2009	no data	Nov 12	no data	Dec 2
2008	Apr 26	Oct 11	Apr 3	Dec 14
2007	Apr 20	Oct 26	Apr 3	Nov 2
2006	May 2	Oct 29	Mar 20	Oct 30
2005	Apr 12	Sep 24	Apr 11	Nov 22
2004	May 11	Sep 27	Feb 10	Nov 29
2003	Apr 4	Oct 30	Feb 27	Oct 30
2001	no data	Oct 28	no data	Dec 26
1999	Apr 27	Oct 16	Apr 1	Dec 24
1997	no data	Oct 20	no data	Nov 11
1996	May 5	Oct 16	May 5	Oct 20
1995	Apr 22	Oct 18	Mar 26	Oct 28
1994	Mar 26	Nov 2	Mar 7	Nov 5
1993	Apr 14	no data	Mar 10	no data
1992	Apr 9	Oct 14	Mar 27	Nov 24
1991	Apr 11	Oct 28	Jan 30	Oct 29
1990	May 13	Oct 6	May 13	Dec 18
1989	Apr 17	Oct 16	Mar 4	Oct 29
1988	Apr 19	Oct 26	Apr 9	Nov 14
1987	Apr 25	Oct 17	Mar 27	Nov 27
1986	Apr 30	Oct 20	Apr 24	Nov 9
1985	no data	Sep 30	no data	Oct 8
1984	May 6	no data	Mar 4	no data
1983	Apr 26	Sep 27	Jan 14	Nov 29
1982	May 5	Oct 17	Apr 25	Nov 8
1981	no data	Oct 12	no data	Nov 26
1980	Feb 16	Nov 23	Feb 15	Dec 6
1979	Mar 20	Nov 1	Feb 21	Nov 11
1978	Apr 15	Oct 30	Feb 11	Nov 10
1977	Apr 4	Oct 2	Feb 6	Nov 18
1976	Apr 26	Oct 15	Mar 15	Nov 25
1975	May 4	Oct 23	May 4	Nov 17
1974	no data	Oct 5	no data	Nov 21
1973	May 11	Oct 3	Apr 29	Nov 2
1972	May 1	Sep 25	Apr 19	Oct 30
1971	May 21	Oct 15	Apr 12	Oct 17
1970	May 18	Sep 13	Apr 14	Sep 13
1969	May 4	Oct 4	Mar 28	Oct 14
1968	May 1	Oct 2	Apr 17	Nov 1
1967	Apr 29	Oct 20	Apr 15	Nov 20
1966	May 29	Oct 10	Apr 19	Nov 11
1965	May 8	Oct 10	Apr 12	Nov 23
1964	May 25	Oct 21	Apr 19	Nov 6
1963	May 16	Oct 19	Apr 2	Nov 20
1962	May 7	Oct 5	Apr 11	Nov 28
1961	May 11	Sep 22	Apr 20	Oct 31
1960	May 8	Oct 9	Apr 10	Oct 10
1959	May 20	Oct 16	Apr 19	Nov 5
1958	May 13	Oct 1	Mar 27	Nov 15
1957	Apr 21	Oct 4	Mar 27	Oct 19
1956	May 13	Sep 22	Apr 17	Nov 13
1955	May 5	Oct 23	Apr 25	Nov 11
1954	May 28	Sep 30	May 1	Oct 24
1953	May 31	Oct 15	Apr 10	Oct 22
1952	May 5	Oct 14	May 5	Oct 14
1951	May 1	Oct 25	Apr 21	Oct 31

"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.