Last Frost Day

Frost history / Buffumville Lake, MA

Buffumville Lake, MA: frost dates by year

Last spring and first fall frost at NOAA station USC00190998, 1959 to 2025, measured from daily minimum temperatures.

Elevation 520 ft, 42.116, -71.907. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 8Oct 7
EarliestApr 14 (1990)Sep 15 (1975)
LatestMay 31 (1961)Nov 2 (2023)
Trend1.8 days earlier per decade3.9 days later per decade
Years with data4745

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 18.

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)

Mar 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201960: May 31961: May 311962: May 131963: May 241964: May 41965: Apr 251966: May 141967: May 171968: May 271969: May 271970: May 71971: May 11972: May 261973: Apr 301974: May 81975: Apr 301976: May 131977: May 101978: May 41979: Apr 221980: May 101981: May 201982: Apr 301983: May 191984: May 191985: May 101986: May 101987: May 141988: Apr 261989: Apr 291990: Apr 142003: May 182011: May 62012: May 12013: May 152014: Apr 282015: May 22016: May 102017: May 92018: Apr 242019: Apr 292020: May 142021: Apr 242022: May 22023: May 182024: Apr 272025: Apr 19

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201959: Oct 161960: Oct 21961: Oct 51962: Sep 211963: Sep 241964: Sep 161965: Sep 281966: Sep 271967: Oct 81968: Oct 61969: Oct 151970: Oct 61971: Oct 81972: Oct 21973: Oct 121974: Sep 241975: Sep 151976: Sep 231977: Oct 51978: Oct 91979: Sep 201980: Sep 281981: Sep 291982: Oct 111983: Oct 161984: Sep 271985: Oct 71986: Oct 71987: Oct 51988: Oct 71989: Sep 282011: Oct 232012: Oct 132013: Oct 232014: Oct 202015: Oct 182016: Oct 112017: Nov 12018: Oct 192019: Oct 162020: Oct 182021: Oct 292022: Oct 202023: Nov 22024: Oct 16

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2025Apr 19no dataApr 18no data
2024Apr 27Oct 16Apr 27Nov 4
2023May 18Nov 2Apr 11Nov 2
2022May 2Oct 20Apr 18Oct 30
2021Apr 24Oct 29Apr 5Nov 4
2020May 14Oct 18Apr 16Oct 31
2019Apr 29Oct 16Apr 11Nov 2
2018Apr 24Oct 19Apr 23Oct 22
2017May 9Nov 1Apr 9Nov 1
2016May 10Oct 11Apr 17Oct 27
2015May 2Oct 18Apr 12Oct 18
2014Apr 28Oct 20Apr 28Oct 20
2013May 15Oct 23Apr 15Oct 25
2012May 1Oct 13Apr 30Oct 13
2011May 6Oct 23Apr 22Oct 28
2003May 18no dataApr 26no data
1990Apr 14no dataApr 14no data
1989Apr 29Sep 28Apr 25Oct 10
1988Apr 26Oct 7Apr 14Oct 14
1987May 14Oct 5Apr 28Oct 14
1986May 10Oct 7May 4Oct 11
1985May 10Oct 7May 10Oct 17
1984May 19Sep 27May 3Oct 6
1983May 19Oct 16May 18Oct 21
1982Apr 30Oct 11Apr 23Oct 11
1981May 20Sep 29Apr 23Sep 30
1980May 10Sep 28Apr 18Oct 10
1979Apr 22Sep 20Apr 21Oct 28
1978May 4Oct 9Apr 9Oct 16
1977May 10Oct 5Apr 16Oct 8
1976May 13Sep 23Apr 13Oct 11
1975Apr 30Sep 15Apr 23Oct 31
1974May 8Sep 24May 8Oct 5
1973Apr 30Oct 12Apr 15Nov 5
1972May 26Oct 2Apr 28Oct 10
1971May 1Oct 8Apr 28Nov 5
1970May 7Oct 6Apr 20Oct 20
1969May 27Oct 15Apr 21Oct 23
1968May 27Oct 6May 8Oct 31
1967May 17Oct 8Apr 26Oct 23
1966May 14Sep 27May 11Oct 13
1965Apr 25Sep 28Apr 25Sep 28
1964May 4Sep 16May 3Oct 6
1963May 24Sep 24May 13Sep 24
1962May 13Sep 21Apr 25Sep 22
1961May 31Oct 5May 31Oct 16
1960May 3Oct 2Apr 20Oct 21
1959no dataOct 16no dataOct 16

"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.