Buffalo, NY: frost dates by year

Last spring and first fall frost at NOAA station USW00014733, 1951 to 2024, measured from daily minimum temperatures.

Elevation 693 ft, 42.949, -78.737. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 26	Oct 21
Earliest	Mar 31 (2010)	Sep 24 (1963)
Latest	May 24 (1963)	Nov 16 (2005)
Trend	0.9 days earlier per decade	2.0 days later per decade
Years with data	74	74

At 28°F (hard freeze) the median last spring date is Apr 12 and the median first fall date is Nov 7.

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
2024	Apr 26	Oct 27	Mar 30	Nov 30
2023	Apr 9	Oct 31	Apr 8	Nov 20
2022	Apr 29	Nov 9	Mar 30	Nov 18
2021	Apr 23	Nov 4	Apr 3	Dec 7
2020	May 13	Oct 31	Apr 16	Nov 18
2019	Apr 29	Nov 6	Apr 2	Nov 8
2018	Apr 22	Oct 30	Apr 21	Nov 10
2017	Apr 8	Nov 7	Mar 23	Nov 10
2016	Apr 27	Oct 31	Apr 13	Nov 23
2015	Apr 25	Oct 19	Apr 25	Nov 22
2014	Apr 24	Nov 2	Apr 16	Nov 14
2013	Apr 21	Oct 28	Apr 6	Nov 4
2012	Apr 29	Oct 12	Apr 29	Nov 7
2011	Apr 22	Oct 27	Apr 2	Oct 28
2010	Mar 31	Nov 1	Mar 27	Nov 1
2009	Apr 13	Oct 12	Apr 13	Nov 13
2008	Apr 30	Oct 19	Apr 3	Nov 2
2007	Apr 19	Oct 29	Apr 11	Nov 18
2006	Apr 26	Oct 12	Apr 26	Nov 22
2005	Apr 29	Nov 16	Mar 26	Nov 17
2004	Apr 28	Nov 8	Apr 6	Nov 9
2003	Apr 24	Oct 3	Apr 24	Nov 8
2002	May 4	Oct 24	Apr 23	Oct 30
2001	Apr 29	Oct 8	Apr 19	Dec 8
2000	Apr 13	Oct 29	Apr 13	Nov 6
1999	Apr 25	Oct 7	Apr 5	Nov 15
1998	Apr 28	Oct 30	Apr 6	Nov 18
1997	Apr 21	Oct 18	Apr 14	Oct 26
1996	Apr 28	Nov 1	Apr 11	Nov 11
1995	Apr 17	Nov 3	Apr 17	Nov 5
1994	Apr 22	Oct 11	Apr 8	Nov 12
1993	Apr 27	Oct 10	Apr 27	Oct 14
1992	Apr 15	Oct 6	Apr 15	Oct 20
1991	Apr 12	Sep 30	Apr 3	Nov 3
1990	Apr 18	Oct 20	Apr 12	Oct 27
1989	May 7	Nov 3	Apr 23	Nov 3
1988	Apr 22	Oct 30	Mar 22	Oct 31
1987	Apr 4	Oct 26	Apr 1	Nov 10
1986	May 3	Oct 11	Apr 22	Nov 5
1985	Apr 17	Oct 17	Apr 17	Oct 28
1984	Apr 10	Oct 5	Apr 10	Oct 6
1983	May 17	Oct 20	Apr 20	Oct 30
1982	Apr 29	Oct 24	Apr 22	Nov 15
1981	Apr 22	Oct 13	Apr 21	Nov 10
1980	Apr 17	Oct 10	Apr 17	Nov 16
1979	May 5	Oct 10	Apr 11	Nov 12
1978	May 4	Oct 16	May 1	Oct 17
1977	Apr 29	Oct 14	Apr 9	Nov 12
1976	Apr 26	Oct 18	Apr 12	Oct 26
1975	Apr 22	Oct 30	Apr 14	Oct 30
1974	May 8	Oct 3	Apr 10	Oct 19
1973	Apr 15	Nov 5	Apr 14	Nov 6
1972	Apr 27	Oct 10	Apr 9	Oct 18
1971	Apr 24	Nov 7	Apr 15	Nov 7
1970	May 7	Oct 16	Apr 12	Nov 8
1969	May 1	Oct 22	Apr 20	Oct 22
1968	Apr 28	Oct 31	Apr 6	Nov 20
1967	Apr 28	Oct 29	Apr 12	Oct 29
1966	May 11	Oct 18	Apr 12	Oct 30
1965	Apr 25	Oct 5	Apr 19	Oct 28
1964	Apr 16	Oct 6	Apr 11	Oct 7
1963	May 24	Sep 24	Apr 15	Nov 24
1962	May 10	Oct 24	Apr 17	Oct 24
1961	Apr 30	Oct 23	Apr 20	Nov 9
1960	Apr 19	Oct 24	Apr 11	Nov 7
1959	Apr 22	Oct 21	Apr 13	Nov 7
1958	May 10	Oct 6	Apr 10	Nov 23
1957	May 3	Sep 28	Apr 15	Nov 9
1956	May 17	Oct 11	Apr 25	Nov 10
1955	Apr 8	Oct 25	Apr 8	Nov 6
1954	Apr 9	Oct 7	Apr 9	Nov 13
1953	Apr 29	Nov 4	Apr 19	Nov 5
1952	Apr 16	Oct 18	Apr 11	Oct 20
1951	Apr 21	Oct 28	Mar 27	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.