Columbus, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00121747, 1951 to 2025, measured from daily minimum temperatures.

Elevation 609 ft, 39.166, -85.923. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 14	Oct 19
Earliest	Mar 25 (2005)	Sep 29 (1951)
Latest	May 11 (1966)	Nov 12 (2016)
Trend	1.3 days earlier per decade	1.3 days later per decade
Years with data	71	72

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

"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.