Hiram, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00333780, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,230 ft, 41.307, -81.013. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 29	Oct 18
Earliest	Apr 8 (1955)	Sep 24 (1963)
Latest	May 25 (2013)	Nov 11 (1977)
Trend	1.1 days later per decade	0.6 days later per decade
Years with data	70	72

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