Athens, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00400284, 1962 to 2025, measured from daily minimum temperatures.

Elevation 940 ft, 35.432, -84.583. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 11	Oct 26
Earliest	Mar 17 (2017)	Sep 30 (1967)
Latest	May 4 (1971)	Nov 15 (2004)
Trend	2.1 days earlier per decade	2.3 days later per decade
Years with data	61	63

At 28°F (hard freeze) the median last spring date is Mar 26 and the median first fall date is Nov 6.

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

"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.