Last Frost Day

Frost history / E Wareham, MA

E Wareham, MA: frost dates by year

Last spring and first fall frost at NOAA station USC00192451, 1951 to 2025, measured from daily minimum temperatures.

Elevation 30 ft, 41.765, -70.670. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 23Oct 20
EarliestMar 28 (2010)Sep 30 (1951)
LatestMay 25 (1956)Nov 18 (2000)
Trend0.8 days earlier per decade2.8 days later per decade
Years with data6867

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Nov 2.

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 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 161952: Apr 171953: Apr 161954: Apr 131955: Apr 171956: May 251957: May 31958: May 31959: Apr 231960: Apr 201961: May 61962: May 131963: Apr 271964: May 41965: Apr 231966: May 31967: May 71968: Apr 291969: Apr 211970: Apr 201971: Apr 291972: Apr 301973: Apr 211974: Apr 271975: May 11976: Apr 131977: Apr 161978: May 11979: Apr 221980: Apr 191981: Apr 231982: Apr 301983: Apr 231984: Apr 271985: May 91986: Apr 161987: Apr 261988: May 91989: Apr 261991: Apr 181992: Apr 301993: Apr 81994: Apr 231995: Apr 171996: May 71997: Apr 161999: May 12000: May 12001: May 72003: Apr 252004: Apr 172005: Apr 172006: Apr 222007: May 72008: May 12009: Apr 172010: Mar 282011: Apr 162012: Apr 72013: Apr 222014: Apr 212015: Apr 162020: Apr 252021: Apr 52022: Apr 302023: May 182024: Apr 272025: Apr 21

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Sep 301952: Oct 201953: Oct 91954: Oct 81955: Oct 231956: Oct 111957: Oct 131958: Oct 71959: Oct 191960: Oct 131961: Oct 161962: Oct 241963: Oct 101964: Oct 121965: Oct 51966: Oct 131967: Oct 231968: Nov 11969: Oct 231970: Oct 191971: Nov 71972: Oct 111973: Oct 221974: Oct 41975: Oct 311976: Oct 121977: Oct 241978: Oct 91979: Oct 261980: Oct 151981: Oct 121982: Oct 181983: Oct 201984: Oct 61985: Oct 221986: Oct 191988: Oct 141990: Oct 281991: Oct 211992: Oct 11993: Oct 111994: Oct 121995: Oct 311996: Nov 21997: Oct 231999: Nov 82000: Nov 182001: Oct 192003: Oct 202004: Oct 282005: Nov 32006: Oct 272007: Oct 292008: Oct 212009: Oct 202010: Nov 12011: Oct 302012: Oct 132013: Oct 252014: Nov 82015: Oct 192020: Oct 312021: Nov 42022: Nov 152023: Nov 22024: Oct 282025: Nov 2

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

"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.