Westerville, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00338951, 1952 to 2025, measured from daily minimum temperatures.

Elevation 802 ft, 40.127, -82.944. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 30	Oct 13
Earliest	Apr 2 (2019)	Sep 14 (1964)
Latest	May 23 (1967)	Nov 10 (2016)
Trend	1.9 days earlier per decade	4.0 days later per decade
Years with data	67	71

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 27.

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 17	Oct 25	Apr 12	Nov 10
2024	Apr 25	Oct 17	Mar 28	Nov 29
2023	Apr 27	Oct 23	Apr 25	Oct 31
2022	Apr 20	Oct 8	Apr 20	Nov 18
2021	Apr 23	Nov 3	Apr 3	Nov 3
2020	May 12	Oct 31	Apr 22	Oct 31
2019	Apr 2	Oct 19	Apr 2	Nov 6
2018	Apr 30	Oct 18	Apr 18	Nov 10
2017	Apr 8	Oct 26	Mar 23	Nov 10
2016	May 16	Nov 10	Apr 10	Nov 13
2015	no data	Oct 17	no data	Oct 18
2014	Apr 16	Nov 2	Apr 16	Nov 2
2013	Apr 26	Oct 23	Apr 21	Oct 25
2012	Apr 13	Oct 11	Mar 10	Nov 4
2011	May 5	Oct 28	Apr 3	Oct 29
2010	Apr 28	Oct 22	Mar 27	Nov 1
2009	Apr 12	Oct 18	Apr 12	Nov 28
2008	no data	Oct 19	no data	Oct 22
2007	Apr 10	Oct 29	Apr 10	Nov 25
2006	Apr 27	Oct 15	Apr 9	Oct 26
2005	May 4	Oct 27	Mar 22	Oct 29
2004	May 4	Nov 8	Apr 6	Nov 9
2003	Apr 27	Oct 2	Mar 31	Oct 2
2002	May 22	Oct 14	Apr 7	Nov 2
2001	Apr 29	no data	Apr 18	no data
2000	no data	Oct 9	no data	Oct 31
1999	no data	Oct 21	no data	Nov 4
1998	Apr 11	Oct 23	Apr 5	Nov 18
1997	Apr 26	Oct 21	Apr 20	Oct 22
1996	May 14	Nov 2	Apr 18	Nov 3
1995	Apr 15	Sep 23	Apr 5	Nov 5
1994	May 2	Oct 11	Apr 8	Nov 11
1993	Apr 27	Oct 11	Apr 4	Nov 2
1992	Apr 13	Oct 19	Apr 6	Oct 19
1991	Apr 11	Oct 8	Apr 11	Oct 20
1990	Apr 19	Oct 20	Apr 19	Oct 29
1989	May 7	Oct 4	Apr 14	Oct 9
1988	May 2	Oct 6	Apr 20	Oct 13
1987	May 6	Oct 4	Apr 9	Oct 4
1986	May 4	Oct 19	Apr 24	Nov 3
1985	Apr 10	Oct 2	Apr 10	Nov 21
1984	Apr 20	Oct 2	Apr 8	Nov 7
1983	May 10	Sep 24	Apr 21	Oct 27
1982	Apr 28	Oct 17	Apr 28	Oct 17
1981	May 7	Oct 3	Apr 26	Oct 17
1980	May 10	no data	May 9	no data
1979	May 5	Oct 13	Apr 19	Oct 14
1978	May 3	Oct 8	Apr 22	Oct 17
1977	May 10	Oct 14	Apr 29	Oct 17
1976	May 12	Oct 10	Apr 29	Oct 18
1975	Apr 27	Sep 14	Apr 17	Oct 3
1974	May 7	Sep 23	May 7	Oct 2
1973	May 18	Oct 19	Apr 15	Nov 2
1972	Apr 28	Oct 1	Apr 26	Oct 20
1971	May 4	Oct 12	May 1	Nov 4
1970	May 19	Oct 16	Apr 11	Oct 17
1969	May 1	Oct 15	Apr 21	Oct 18
1968	May 7	Oct 5	May 6	Oct 5
1967	May 23	Sep 23	Apr 28	Oct 20
1966	May 11	Sep 16	May 10	Oct 6
1965	Apr 28	Oct 4	Apr 19	Oct 5
1964	Apr 11	Sep 14	Apr 11	Oct 6
1963	May 2	Sep 25	Apr 15	Oct 14
1962	Apr 24	Sep 21	Apr 24	Oct 25
1961	May 4	Sep 29	Apr 19	Oct 27
1960	Apr 19	Oct 21	Apr 11	Oct 21
1959	May 16	Sep 18	Apr 23	Oct 18
1958	Apr 30	Oct 2	Apr 30	Oct 30
1957	May 6	Sep 28	Apr 15	Oct 11
1956	no data	Sep 21	no data	Nov 13
1954	May 10	Oct 18	Apr 9	Nov 2
1953	Apr 21	Oct 8	Apr 21	Oct 8
1952	no data	Oct 7	no data	Oct 7

"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 1991–2020 frost probabilities.