Haverhill, MA: frost dates by year

Last spring and first fall frost at NOAA station USC00193505, 1951 to 2025, measured from daily minimum temperatures.

Elevation 20 ft, 42.759, -71.060. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 27	Oct 13
Earliest	Apr 11 (1977)	Sep 16 (1988)
Latest	May 29 (2014)	Nov 10 (2014)
Trend	1.5 days later per decade	little change (less than half a day per decade)
Years with data	75	71

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 24.

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 22	Oct 10	Apr 11	Nov 7
2024	Apr 28	Oct 17	Apr 9	Oct 29
2023	May 19	no data	Apr 10	no data
2022	Apr 22	Oct 29	Apr 4	Nov 9
2021	Apr 23	Oct 30	Apr 5	Nov 6
2020	May 7	Oct 19	Apr 22	Oct 31
2019	Apr 19	Oct 5	Apr 12	Nov 3
2018	Apr 24	Oct 19	Apr 12	Oct 19
2017	Apr 19	Nov 2	Apr 4	Nov 9
2016	Apr 29	Oct 16	Apr 27	Oct 28
2015	Apr 17	Oct 18	Apr 8	Oct 19
2014	May 29	Nov 10	Apr 21	Nov 15
2013	Apr 23	Oct 26	Apr 8	Oct 26
2012	Apr 14	Oct 13	Apr 2	Oct 13
2011	Apr 17	Oct 28	Apr 16	Oct 31
2010	May 12	Oct 19	Mar 29	Nov 1
2009	Apr 21	Oct 12	Apr 16	Nov 7
2008	May 1	Oct 19	May 1	Oct 22
2007	May 6	no data	Apr 20	no data
2006	May 1	no data	Apr 10	no data
2005	May 13	no data	Apr 16	no data
2004	Apr 17	Oct 6	Apr 17	Nov 4
2003	May 18	Oct 7	Apr 18	Oct 20
2002	May 20	Oct 15	Apr 7	Oct 22
2001	May 7	Oct 8	May 7	Oct 9
2000	May 3	Sep 29	Apr 14	Nov 17
1999	May 14	Oct 7	Apr 11	Oct 8
1998	May 14	Oct 6	Apr 13	Oct 27
1997	May 5	Oct 3	Apr 16	Oct 22
1996	May 15	Oct 4	Apr 9	Oct 6
1995	May 9	Sep 29	Apr 17	Nov 4
1994	May 3	Oct 11	Apr 23	Oct 12
1993	Apr 29	Sep 20	Apr 8	Oct 10
1992	May 26	Sep 25	May 7	Oct 1
1991	Apr 26	Sep 30	Apr 19	Oct 21
1990	Apr 24	Oct 21	Apr 19	Oct 27
1989	Apr 29	Sep 25	Apr 25	Oct 10
1988	May 9	Sep 16	May 9	Oct 14
1987	May 14	Sep 26	May 14	Oct 9
1986	May 14	Oct 7	May 10	Oct 8
1985	May 15	Oct 8	May 9	Oct 22
1984	May 3	Oct 6	Apr 9	Oct 7
1983	Apr 23	Oct 20	Apr 2	Oct 20
1982	Apr 30	Oct 11	Apr 23	Oct 23
1981	May 18	Sep 30	Apr 22	Oct 11
1980	Apr 20	Oct 10	Apr 18	Oct 10
1979	Apr 21	Oct 11	Apr 8	Nov 17
1978	May 1	Oct 9	Apr 3	Oct 16
1977	Apr 11	Oct 24	Apr 11	Oct 24
1976	Apr 13	Oct 19	Apr 13	Oct 19
1975	Apr 30	Oct 31	Apr 29	Nov 1
1974	May 5	Oct 14	Apr 10	Oct 19
1973	Apr 15	Oct 22	Apr 14	Nov 7
1972	Apr 27	Oct 11	Apr 12	Oct 16
1971	Apr 28	Nov 6	Apr 17	Nov 8
1970	Apr 20	Oct 20	Apr 6	Oct 20
1969	Apr 21	Oct 23	Apr 21	Oct 24
1968	Apr 12	Oct 31	Apr 6	Nov 1
1967	Apr 26	Oct 23	Apr 13	Nov 6
1966	May 3	Oct 13	Apr 13	Oct 31
1965	Apr 25	Sep 28	Apr 25	Nov 2
1964	May 3	Sep 20	Apr 6	Nov 1
1963	Apr 17	Oct 10	Apr 5	Nov 25
1962	Apr 25	Oct 25	Apr 4	Oct 30
1961	Apr 20	Oct 16	Mar 23	Oct 28
1960	Apr 20	Oct 22	Apr 11	Oct 22
1959	Apr 23	Oct 19	Apr 14	Oct 22
1958	Apr 27	Oct 6	Apr 9	Oct 14
1957	Apr 16	Oct 21	Apr 16	Nov 11
1956	May 9	Oct 11	Apr 13	Oct 12
1955	Apr 17	Oct 23	Apr 9	Oct 23
1954	Apr 13	Oct 8	Apr 5	Nov 2
1953	Apr 16	Oct 14	Mar 12	Nov 6
1952	Apr 17	Oct 20	Mar 29	Oct 26
1951	Apr 22	Oct 13	Mar 27	Nov 4

"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.