Honeyman Sp, OR: frost dates by year

Last spring and first fall frost at NOAA station USC00353995, 1971 to 2025, measured from daily minimum temperatures.

Elevation 115 ft, 43.928, -124.107. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 8	Nov 21
Earliest	Jan 28 (1984)	Sep 27 (1972)
Latest	May 13 (2025)	Dec 23 (1974)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	37	39

At 28°F (hard freeze) the median last spring date is Feb 18 and the median first fall date is Dec 6.

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 13	Nov 19	Feb 12	none
2024	Apr 17	Nov 28	Apr 17	none
2023	Apr 13	Oct 28	Mar 1	Nov 25
2022	Apr 15	Nov 9	Feb 26	Dec 17
2021	Apr 11	Dec 17	Mar 16	Dec 18
2020	Mar 26	Oct 26	none	none
2019	Mar 15	Oct 28	Mar 10	Nov 28
2018	Apr 3	Nov 11	Feb 27	none
2017	Apr 3	Dec 4	Jan 15	Dec 21
2016	Feb 1	Dec 7	none	Dec 7
2015	Mar 5	Nov 26	Jan 2	Nov 26
2014	Mar 23	Nov 15	Feb 6	Dec 30
2013	Mar 23	Nov 20	Jan 21	Nov 21
2012	Apr 6	Nov 10	Mar 7	none
2011	Apr 19	Nov 20	Feb 26	Dec 5
2010	Apr 14	Nov 21	Feb 21	Nov 24
2009	Apr 24	Dec 2	Mar 12	Dec 5
2008	Apr 3	Dec 15	Mar 31	Dec 15
2007	no data	Nov 21	no data	Nov 25
1990	Apr 22	Dec 7	Feb 18	Dec 20
1989	Mar 4	Dec 10	Feb 15	none
1988	Apr 8	Dec 15	Feb 3	none
1987	Mar 28	Nov 28	Feb 26	Dec 13
1986	Apr 24	Dec 1	Feb 9	Dec 18
1985	Mar 15	Oct 10	Feb 18	Nov 11
1984	Jan 28	Nov 14	Jan 17	Dec 18
1983	Apr 12	Dec 20	none	Dec 21
1982	Apr 18	Dec 8	Feb 10	Dec 28
1981	Mar 6	Nov 27	none	none
1980	Apr 2	Dec 6	Jan 30	Dec 7
1979	Mar 1	Dec 11	Feb 2	none
1978	Mar 1	Nov 10	none	Nov 12
1977	Apr 19	Nov 8	Jan 25	Nov 19
1976	Apr 26	Nov 26	Mar 12	Nov 27
1975	Apr 29	Nov 18	Feb 21	none
1974	Apr 12	Dec 23	Mar 8	Dec 23
1973	Apr 30	Nov 2	Jan 26	none
1972	Apr 30	Sep 27	Jan 31	Dec 4
1971	no data	Oct 28	no data	Oct 28

"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.