Cloverdale, OR: frost dates by year

Last spring and first fall frost at NOAA station USC00351682, 1951 to 2025, measured from daily minimum temperatures.

Elevation 12 ft, 45.205, -123.892. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 3	Nov 21
Earliest	Jan 2 (2015)	Oct 1 (2024)
Latest	May 31 (1990)	Dec 30 (2014)
Trend	4.8 days earlier per decade	little change (less than half a day per decade)
Years with data	73, 1 with no freeze	73, 2 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 15 and the median first fall date is Dec 5.

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

"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.