Payette, ID: frost dates by year

Last spring and first fall frost at NOAA station USC00106891, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,150 ft, 44.076, -116.931. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 2	Oct 7
Earliest	Mar 28 (2016)	Sep 7 (1976)
Latest	Jun 26 (1976)	Nov 9 (2014)
Trend	3.2 days earlier per decade	3.6 days later per decade
Years with data	64	69

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 19.

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 7	Oct 21	Mar 20	Oct 28
2024	Apr 30	Oct 25	Mar 18	Oct 25
2023	Apr 20	Oct 27	Apr 20	Oct 29
2021	Apr 13	no data	Apr 12	no data
2020	Apr 19	Oct 24	Apr 18	Oct 27
2019	May 2	Oct 7	Mar 21	Oct 10
2018	Apr 18	Oct 14	Apr 4	Oct 15
2017	Apr 16	Oct 15	Mar 3	Nov 7
2016	Mar 28	Oct 12	Mar 27	Nov 18
2015	Apr 13	Nov 6	Apr 4	Nov 13
2014	no data	Nov 9	no data	Nov 12
2013	May 2	Oct 6	May 2	Nov 5
2012	May 6	Oct 5	Apr 8	Oct 8
2011	no data	Oct 25	no data	Oct 27
2010	May 10	Nov 9	Apr 12	Nov 9
2009	May 13	Oct 1	May 13	Oct 11
2008	May 3	Oct 14	Apr 22	Oct 22
2007	Apr 21	Oct 18	Apr 12	Oct 31
2006	Apr 19	Oct 21	Mar 27	Oct 22
2004	Apr 16	Oct 24	Mar 11	Oct 25
2003	May 19	Oct 11	Apr 8	Oct 30
2002	no data	Oct 12	no data	Oct 13
2001	May 8	Oct 10	May 6	Oct 21
2000	May 12	Sep 24	Mar 30	Nov 2
1999	no data	Sep 27	no data	Oct 16
1998	Apr 18	Oct 17	Mar 20	Oct 17
1997	May 2	Oct 8	Apr 12	Oct 25
1996	May 4	Oct 17	Apr 21	Oct 17
1995	Apr 17	Sep 22	Apr 15	Oct 19
1994	no data	Oct 4	no data	Oct 23
1993	Apr 20	Oct 20	Mar 12	Oct 27
1992	Apr 24	Sep 14	Apr 7	Nov 10
1991	Apr 13	Oct 18	Apr 8	Oct 30
1990	Mar 30	Oct 7	Mar 30	Oct 8
1989	May 25	Oct 16	Mar 30	Oct 16
1988	May 2	Oct 29	Apr 11	Oct 31
1987	Apr 21	Oct 12	Apr 20	Oct 12
1986	no data	Oct 12	no data	Oct 12
1985	May 13	no data	Apr 26	no data
1984	May 8	Sep 23	May 7	Sep 25
1983	May 13	Sep 10	Apr 16	Sep 20
1982	May 5	Oct 2	May 5	Oct 10
1981	May 7	Sep 23	Apr 14	Oct 4
1979	Apr 20	Oct 4	Apr 19	Oct 30
1978	Apr 23	Sep 19	Apr 13	Oct 3
1977	May 25	Sep 23	Apr 20	Oct 11
1976	Jun 26	Sep 7	Apr 19	Oct 4
1975	May 27	Oct 8	May 25	Oct 23
1974	May 21	Sep 28	Apr 14	Oct 6
1972	May 9	Sep 25	Apr 30	Oct 27
1971	May 18	Sep 17	Apr 8	Oct 15
1970	May 15	Sep 14	May 11	Oct 8
1969	May 3	Oct 5	Apr 26	Oct 5
1968	May 6	Oct 3	Apr 27	Oct 3
1967	May 13	Oct 15	Apr 22	Oct 15
1966	May 23	Oct 4	Apr 28	Oct 9
1965	May 18	Sep 17	Apr 4	Sep 18
1964	May 23	Sep 19	May 23	Oct 17
1963	Apr 21	Oct 26	Apr 21	Oct 26
1962	Jun 4	Oct 7	Apr 30	Nov 6
1961	no data	Sep 22	no data	Oct 21
1960	May 22	Oct 13	May 22	Oct 13
1959	May 11	Sep 29	May 3	Oct 26
1958	Apr 30	Sep 24	Apr 6	Oct 21
1957	Apr 27	Oct 8	Mar 27	Oct 19
1956	May 12	Sep 22	Apr 9	Oct 22
1955	Apr 27	Sep 22	Apr 12	Oct 6
1954	May 28	Sep 30	May 2	Oct 1
1953	May 1	Sep 29	Apr 15	Oct 3
1952	Apr 16	Oct 7	Apr 9	Oct 15
1951	Apr 25	Sep 27	Apr 22	Oct 27

"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.