Billings, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00340755, 1959 to 2025, measured from daily minimum temperatures.

Elevation 1,000 ft, 36.530, -97.447. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 8	Oct 26
Earliest	Mar 10 (2012)	Sep 26 (2000)
Latest	May 3 (2013)	Nov 22 (1965)
Trend	1.8 days later per decade	1.0 days earlier per decade
Years with data	58	60

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 8.

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 30	Apr 7	Nov 10
2024	Apr 4	Oct 16	Mar 28	Oct 16
2023	Apr 24	Oct 7	Apr 7	Oct 31
2022	Apr 26	Oct 18	Apr 9	Oct 19
2021	Apr 21	Oct 30	Apr 21	Nov 13
2020	Apr 18	Oct 26	Apr 4	Oct 27
2019	Apr 12	Oct 12	Mar 31	Oct 29
2018	Apr 19	Oct 15	Apr 19	Nov 10
2017	Mar 26	Oct 28	Mar 16	Oct 28
2016	Apr 8	Nov 13	Apr 2	Nov 19
2015	Apr 10	Nov 8	Apr 4	Nov 13
2014	May 2	Nov 1	Apr 18	Nov 1
2013	May 3	Oct 19	Apr 24	Nov 12
2012	Mar 10	Oct 7	Mar 10	Oct 27
2011	Apr 5	Oct 20	Apr 5	Nov 4
2010	Apr 8	Nov 5	Mar 22	Nov 5
2009	Apr 11	Oct 27	Apr 8	Nov 18
2008	no data	Oct 27	no data	Oct 28
2007	Apr 14	Oct 26	Apr 8	Nov 7
2006	Apr 9	Oct 22	Mar 28	Oct 22
2005	May 3	Oct 24	Apr 24	Oct 25
2004	Apr 12	Nov 4	Mar 16	Nov 25
2003	Apr 10	Nov 7	Apr 9	Nov 7
2002	Apr 5	Oct 17	Apr 5	Nov 19
2001	Apr 18	Oct 16	Mar 20	Nov 20
2000	Apr 8	Sep 26	Apr 8	Oct 8
1999	Apr 18	Nov 20	Mar 26	Nov 24
1998	Apr 18	Nov 11	Mar 21	Dec 8
1997	Apr 14	Oct 27	Apr 14	Nov 7
1996	Apr 30	Nov 2	Apr 7	Nov 17
1995	Apr 27	Oct 21	Apr 11	Nov 3
1994	Apr 7	Oct 26	Apr 7	Nov 15
1993	Apr 21	Oct 21	Apr 3	Oct 27
1992	Apr 3	Nov 4	Apr 3	Nov 5
1991	Mar 31	Oct 5	Mar 30	Nov 2
1990	Apr 7	Oct 10	Apr 7	Nov 5
1989	Apr 11	Oct 19	Apr 11	Oct 19
1988	Mar 30	Nov 16	Mar 20	Nov 20
1987	Apr 3	Oct 12	Apr 3	Nov 10
1986	Apr 16	Nov 11	Feb 22	Nov 11
1985	Apr 1	Oct 1	Mar 5	Nov 20
1984	Mar 21	Sep 30	Mar 21	Nov 11
1983	Apr 15	Nov 10	Mar 26	Nov 28
1982	Apr 22	Nov 3	Mar 7	Nov 4
1980	Apr 14	Oct 29	Apr 14	Oct 29
1978	Apr 20	no data	Mar 26	no data
1977	Apr 2	no data	Mar 23	no data
1976	Apr 2	no data	Mar 14	no data
1975	Apr 4	Oct 25	Apr 4	Nov 13
1974	no data	Nov 6	no data	Nov 14
1973	no data	Nov 10	no data	Dec 6
1972	Apr 5	Oct 19	Apr 5	Nov 21
1971	Apr 5	Nov 6	Mar 22	Nov 7
1970	Apr 5	Nov 2	Mar 19	Nov 12
1969	Mar 25	Oct 14	Mar 13	Nov 14
1968	no data	Nov 7	no data	Nov 10
1967	Mar 19	no data	Mar 18	no data
1966	no data	Oct 16	no data	Nov 2
1965	no data	Nov 22	no data	Nov 27
1964	Apr 8	Oct 19	Apr 7	Nov 20
1963	Mar 22	Nov 12	Mar 8	Nov 12
1962	Apr 2	Oct 25	Apr 2	Nov 5
1961	May 2	Oct 26	Apr 17	Nov 3
1960	Apr 3	no data	Mar 25	no data
1959	no data	Oct 18	no data	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.