Fairfield, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00332651, 1986 to 2025, measured from daily minimum temperatures.

Elevation 575 ft, 39.348, -84.590. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 13	Oct 22
Earliest	Mar 30 (1999)	Oct 4 (1987)
Latest	Jun 3 (2013)	Nov 9 (2016)
Trend	2.2 days later per decade	2.7 days later per decade
Years with data	37	39

At 28°F (hard freeze) the median last spring date is Apr 3 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 13	Oct 24	Apr 9	Nov 10
2024	Apr 22	Oct 28	Mar 29	Nov 30
2023	May 2	Oct 31	Apr 26	Oct 31
2022	Apr 19	Oct 9	Apr 3	Oct 9
2021	Apr 24	Nov 2	Apr 4	Nov 2
2020	May 10	Oct 6	Apr 17	Nov 2
2019	Apr 5	Nov 1	Apr 2	Nov 8
2018	Apr 28	Oct 18	Apr 8	Nov 8
2017	Apr 8	Nov 8	Mar 23	Nov 9
2016	Apr 10	Nov 9	Apr 3	Nov 12
2015	no data	Oct 16	no data	Oct 18
2014	Apr 18	Nov 1	Apr 16	Nov 1
2013	Jun 3	Oct 24	Apr 3	Nov 11
2012	Apr 12	Oct 8	Mar 11	Oct 11
2011	Apr 3	Oct 22	Apr 1	Oct 22
2010	Apr 10	Oct 22	Mar 30	Oct 30
2009	Apr 7	Oct 18	Mar 21	Oct 18
2008	Apr 27	Oct 19	Apr 27	Oct 21
2007	Apr 11	Oct 29	Apr 11	Nov 11
2006	Apr 11	Oct 15	Mar 28	Oct 25
2005	May 4	Oct 28	Mar 22	Oct 29
2003	Apr 24	Oct 24	Mar 15	Nov 9
2002	Apr 8	Oct 18	Apr 6	Nov 2
2001	Apr 19	Oct 18	Mar 29	Nov 12
2000	Apr 9	Oct 8	Mar 18	Nov 18
1999	Mar 30	Oct 21	Mar 28	Nov 4
1998	Apr 6	Oct 23	Mar 25	Nov 5
1997	Apr 18	Oct 22	Apr 14	Oct 23
1996	Apr 18	Nov 2	Apr 11	Nov 3
1995	Apr 6	Oct 17	Apr 6	Nov 4
1994	May 3	Oct 27	Apr 5	Nov 23
1993	Apr 5	Oct 23	Mar 20	Nov 2
1992	Apr 8	Oct 19	Apr 8	Oct 19
1991	Apr 12	Oct 8	Apr 2	Oct 20
1990	Apr 19	Oct 26	Apr 19	Nov 8
1989	no data	Oct 9	no data	Nov 4
1988	Apr 29	Oct 8	Apr 20	Oct 12
1987	Apr 4	Oct 4	Apr 4	Oct 12
1986	Apr 24	Oct 19	Apr 23	Nov 10

"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.