Last Frost Day

Frost history / Hingham, MA

Hingham, MA: frost dates by year

Last spring and first fall frost at NOAA station USC00193624, 1961 to 2025, measured from daily minimum temperatures.

Elevation 35 ft, 42.227, -70.912. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 29Oct 16
EarliestApr 5 (2019)Sep 20 (1964)
LatestMay 28 (1968)Nov 18 (2000)
Trend2.6 days earlier per decade4.0 days later per decade
Years with data6463

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 28.

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 141970198019902000201020201961: May 61962: May 131963: Apr 171964: May 31965: May 71966: May 111967: May 141968: May 281969: May 71970: Apr 201971: Apr 281972: May 261973: Apr 211974: Apr 271975: Apr 301976: Apr 131977: May 41978: May 11979: Apr 211980: Apr 221981: May 91982: Apr 301983: May 181984: May 31985: May 151986: May 141987: May 141988: May 91989: Apr 291990: Apr 191991: Apr 191992: May 71993: Apr 81994: Apr 231995: May 21996: May 141997: Apr 161998: Apr 141999: May 12000: Apr 292001: May 72002: Apr 272003: May 182004: Apr 172005: May 132006: Apr 302007: May 72008: May 12009: Apr 202010: Apr 282011: Apr 162012: Apr 132013: May 52014: Apr 212015: Apr 252016: Apr 272017: Apr 192018: Apr 232019: Apr 52020: Apr 292021: Apr 222022: Apr 212023: Apr 102025: Apr 18

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201961: Oct 161962: Sep 221963: Sep 251964: Sep 201965: Sep 281966: Sep 271967: Oct 81968: Oct 61969: Oct 161970: Oct 201971: Nov 51972: Oct 111973: Oct 81974: Oct 91975: Oct 101976: Oct 121977: Oct 241978: Oct 91979: Oct 121980: Oct 151981: Oct 111982: Oct 111983: Oct 171984: Oct 61985: Oct 211986: Oct 71987: Oct 141988: Oct 71989: Oct 101990: Oct 211991: Oct 211992: Oct 21993: Oct 111995: Nov 51996: Oct 61997: Oct 181998: Oct 71999: Oct 82000: Nov 182001: Oct 92002: Oct 222003: Oct 72004: Oct 62005: Nov 32006: Oct 162007: Oct 302008: Oct 232009: Oct 202010: Nov 12011: Oct 282012: Oct 132013: Oct 262014: Nov 82015: Oct 192016: Oct 272017: Nov 12018: Oct 192019: Nov 22020: Oct 182021: Nov 32022: Oct 292023: Nov 12024: Oct 29

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

"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.