Watonga, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00349364, 1959 to 2025, measured from daily minimum temperatures.

Elevation 1,530 ft, 35.858, -98.414. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 7	Oct 27
Earliest	Mar 10 (2012)	Oct 7 (2012)
Latest	May 1 (2014)	Nov 27 (1965)
Trend	0.9 days later per decade	little change (less than half a day per decade)
Years with data	65	64

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 9.

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 8	Oct 30	Apr 7	Oct 30
2024	Mar 29	no data	Mar 28	no data
2023	Apr 24	Oct 29	Apr 9	Oct 31
2022	Apr 27	Oct 18	Apr 15	Oct 19
2021	Apr 21	Oct 30	Apr 21	Nov 13
2020	Apr 19	Oct 24	Apr 4	Oct 24
2018	Apr 19	Oct 15	Apr 17	Nov 10
2017	Apr 7	Oct 28	Mar 16	Oct 28
2016	Apr 3	Nov 13	Apr 3	Nov 19
2015	Apr 11	Oct 25	Apr 5	Nov 8
2014	May 1	Nov 1	Apr 16	Nov 11
2013	Apr 24	Oct 19	Apr 24	Nov 12
2012	Mar 10	Oct 7	Mar 4	Oct 27
2011	Apr 5	Nov 3	Mar 16	Nov 4
2010	Apr 9	Nov 5	Mar 23	Nov 18
2009	Apr 11	Oct 28	Apr 7	Nov 18
2008	Apr 15	no data	Mar 10	no data
2007	Apr 16	Nov 7	Apr 8	Nov 7
2006	Mar 25	Oct 22	Mar 24	Oct 23
2005	Mar 20	Oct 23	Mar 3	Oct 24
2004	Apr 14	Nov 4	Feb 27	Nov 30
2003	Apr 10	Nov 6	Apr 10	Nov 7
2002	Apr 5	Oct 24	Apr 4	Nov 25
2001	Apr 18	Oct 16	Mar 6	Nov 20
2000	Apr 8	Oct 8	Feb 20	Oct 9
1999	Apr 17	Nov 24	Mar 14	Nov 24
1998	Apr 4	Nov 11	Mar 21	Dec 8
1997	Apr 13	Oct 26	Apr 13	Oct 27
1996	Apr 6	Nov 11	Apr 6	Nov 17
1995	Apr 12	Oct 24	Apr 11	Nov 4
1994	Apr 6	Nov 10	Apr 6	Nov 16
1993	Apr 2	Oct 27	Mar 18	Oct 27
1992	Apr 3	Nov 4	Mar 23	Nov 5
1991	Mar 18	Oct 29	Mar 14	Oct 30
1990	Apr 7	Oct 10	Mar 25	Nov 28
1989	Apr 11	Oct 19	Mar 22	Oct 19
1988	Apr 19	Nov 16	Mar 19	Nov 20
1987	Apr 4	Nov 10	Apr 4	Nov 10
1986	Mar 21	Nov 10	Mar 21	Nov 11
1985	Mar 31	Nov 2	Mar 31	Nov 20
1984	Apr 5	Oct 19	Mar 20	Nov 28
1983	Apr 15	Nov 10	Apr 15	Nov 11
1982	Apr 22	Oct 20	Apr 6	Nov 5
1981	Mar 23	Oct 23	Mar 19	Nov 10
1980	Apr 15	Oct 24	Apr 14	Oct 29
1979	Apr 4	Oct 23	Mar 5	Nov 3
1978	Mar 26	Nov 7	Mar 25	Nov 7
1977	Apr 5	Oct 12	Mar 22	Nov 10
1976	Apr 5	Oct 8	Mar 21	Oct 20
1975	Apr 3	Oct 25	Apr 3	Nov 13
1974	Apr 5	Nov 12	Mar 25	Nov 14
1973	Apr 10	Oct 29	Apr 10	Nov 21
1972	Apr 4	Oct 19	Apr 3	Nov 17
1971	Apr 14	Nov 3	Apr 7	Nov 7
1970	Apr 5	Oct 28	Apr 5	Nov 3
1969	Mar 30	Oct 14	Mar 29	Nov 4
1968	Apr 5	Oct 28	Apr 5	Nov 11
1967	no data	Oct 27	no data	Nov 4
1966	Apr 21	Oct 16	Apr 6	Nov 2
1965	Apr 28	Nov 27	Mar 26	Nov 27
1964	Apr 13	Oct 19	Apr 8	Nov 21
1963	Mar 14	Nov 13	Mar 14	Nov 14
1962	Apr 2	Oct 25	Apr 2	Nov 8
1961	Apr 16	Oct 26	Mar 9	Nov 3
1960	Apr 3	Oct 20	Mar 23	Nov 10
1959	Apr 22	Oct 18	Mar 22	Nov 5

"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.