Sandusky, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00014846, 1951 to 2024, measured from daily minimum temperatures.

Elevation 584 ft, 41.450, -82.717. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 15	Nov 2
Earliest	Mar 22 (2006)	Oct 11 (1964)
Latest	May 11 (1969)	Nov 23 (1994)
Trend	0.7 days earlier per decade	1.9 days later per decade
Years with data	64	67

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 14.

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

"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.