Mohonk Lake, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00305426, 1951 to 2021, measured from daily minimum temperatures.

Elevation 1,245 ft, 41.768, -74.155. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 22	Oct 23
Earliest	Apr 6 (1951)	Sep 23 (1963)
Latest	May 18 (2002)	Nov 12 (1977)
Trend	little change (less than half a day per decade)	1.1 days later per decade
Years with data	70	71

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Nov 5.

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

"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.