Marysville, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00334979, 1951 to 2025, measured from daily minimum temperatures.

Elevation 970 ft, 40.194, -83.267. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 24	Oct 17
Earliest	Apr 2 (2019)	Sep 21 (1956)
Latest	May 27 (1961)	Nov 20 (1985)
Trend	2.4 days earlier per decade	3.3 days later per decade
Years with data	73	72

At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Nov 2.

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 10	Nov 10
2024	Apr 25	Oct 17	Mar 28	Nov 29
2023	Apr 26	Oct 23	Mar 31	Oct 31
2022	Apr 27	Oct 20	Apr 20	Nov 17
2021	Apr 24	Nov 3	Apr 3	Nov 3
2020	no data	Oct 31	no data	Nov 2
2019	Apr 2	Nov 1	Apr 1	Nov 7
2018	Apr 29	Oct 18	Apr 18	Nov 8
2017	Apr 8	Oct 26	Mar 23	Nov 10
2016	Apr 14	Nov 12	Apr 10	Nov 12
2015	Apr 24	Oct 17	Mar 29	Nov 9
2014	Apr 16	Nov 1	Apr 16	Nov 2
2013	Apr 26	Oct 25	Apr 21	Nov 12
2012	Apr 12	Nov 4	Mar 27	Nov 5
2011	Apr 3	Oct 29	Mar 31	Nov 5
2010	Apr 28	Nov 1	Mar 27	Nov 1
2009	Apr 13	Oct 18	Apr 13	Nov 28
2008	Apr 15	Oct 19	Mar 29	Oct 22
2007	Apr 15	Oct 29	Apr 10	Nov 23
2006	Apr 26	Oct 12	Apr 9	Nov 2
2005	May 4	Oct 27	Mar 18	Nov 16
2004	Apr 28	Nov 8	Apr 5	Nov 9
2003	Apr 13	Oct 2	Mar 31	Nov 8
2002	Apr 7	Oct 20	Apr 7	Nov 2
2001	Apr 19	no data	Mar 28	no data
2000	Apr 13	Oct 9	Apr 9	Nov 17
1999	Apr 25	Oct 21	Mar 28	Nov 3
1998	Apr 11	Nov 4	Mar 24	Nov 4
1997	Apr 21	Oct 22	Apr 11	Nov 12
1996	Apr 18	Oct 31	Apr 10	Nov 2
1995	Apr 15	Sep 23	Apr 6	Nov 5
1994	no data	Oct 11	no data	Nov 23
1993	Apr 27	no data	Apr 4	no data
1992	Apr 13	Oct 18	Apr 5	Oct 19
1991	Apr 11	Oct 16	Apr 3	Oct 20
1990	Apr 19	Oct 26	Apr 18	Oct 29
1989	May 7	Oct 4	Apr 11	Nov 16
1988	Apr 20	Oct 6	Mar 22	Oct 13
1987	Apr 9	Oct 4	Apr 4	Oct 26
1986	Apr 24	Oct 19	Apr 23	Nov 10
1985	Apr 10	Nov 20	Apr 10	Nov 20
1984	Apr 20	Nov 2	Apr 1	Nov 3
1983	May 10	Sep 24	Apr 25	Nov 4
1982	Apr 29	Oct 17	Apr 12	Oct 17
1981	Apr 26	Oct 3	Apr 21	Oct 23
1980	May 8	Oct 6	Mar 27	Oct 27
1979	May 1	Oct 14	Apr 10	Nov 3
1978	May 3	Oct 9	Apr 17	Nov 8
1977	Apr 29	Oct 14	Apr 29	Oct 17
1976	Apr 28	Oct 17	Apr 13	Oct 20
1975	Apr 21	no data	Apr 14	no data
1974	May 7	Sep 23	Apr 10	Oct 19
1973	Apr 29	Nov 4	Apr 14	Nov 5
1972	Apr 26	Oct 10	Apr 9	Oct 19
1971	May 4	Nov 4	Apr 27	Nov 6
1970	May 7	Oct 16	Apr 11	Nov 15
1969	May 1	Oct 15	Apr 20	Oct 23
1968	May 7	Oct 5	May 6	Oct 5
1967	May 23	Sep 23	Apr 28	Oct 20
1966	May 11	Oct 2	May 10	Oct 26
1965	Apr 19	Oct 4	Apr 3	Oct 5
1964	Apr 11	Oct 5	Apr 9	Oct 7
1963	May 24	Sep 30	May 1	Oct 30
1962	Apr 24	Sep 21	Apr 17	Oct 24
1961	May 27	Sep 29	Apr 16	Oct 27
1960	Apr 19	Oct 20	Apr 10	Oct 21
1959	May 16	Oct 18	Mar 29	Oct 28
1958	Apr 30	Oct 6	Apr 9	Nov 7
1957	May 6	Oct 11	Apr 15	Oct 13
1956	May 8	Sep 21	Apr 23	Oct 11
1955	Apr 8	Oct 22	Apr 8	Oct 25
1954	May 10	Oct 7	Apr 9	Oct 30
1953	Apr 21	Oct 8	Apr 21	Oct 8
1952	Apr 16	Oct 7	Apr 8	Oct 7
1951	Apr 23	Sep 29	Mar 27	Oct 9

"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.