Last Frost Day

Frost history / Taunton, MA

Taunton, MA: frost dates by year

Last spring and first fall frost at NOAA station USC00198367, 1951 to 2007, measured from daily minimum temperatures.

Elevation 20 ft, 41.900, -71.066. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 7Oct 1
EarliestApr 19 (1990)Aug 31 (1965)
LatestJun 23 (1986)Nov 4 (1971)
Trend2.6 days earlier per decade3.1 days later per decade
Years with data5454

At 28°F (hard freeze) the median last spring date is Apr 21 and the median first fall date is Oct 14.

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 14Jun 29196019701980199020001951: May 141952: May 171953: May 301954: Apr 291955: May 181956: May 251957: May 61958: May 31959: May 91960: May 31961: May 311962: May 121963: May 241964: May 41965: May 71966: May 111967: May 141968: May 271969: May 71970: May 301971: Apr 241972: May 271973: May 11974: May 81975: May 11976: May 131977: May 151978: May 21979: Apr 211980: Apr 231981: May 231982: Apr 301983: May 181984: May 31985: May 301986: Jun 231987: May 141988: May 91989: Apr 261990: Apr 191991: Apr 191992: May 71993: Apr 281994: Apr 231995: May 21996: May 141997: Apr 271998: Apr 282000: May 12001: May 72003: May 182005: May 132006: Apr 302007: Apr 21

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11196019701980199020001951: Sep 301952: Oct 91953: Sep 241954: Oct 81955: Oct 181956: Sep 191957: Sep 271958: Oct 61959: Sep 191960: Sep 171961: Oct 161962: Sep 221963: Sep 241964: Sep 161965: Aug 311966: Sep 271967: Sep 261968: Oct 61969: Sep 211970: Oct 181971: Nov 41972: Oct 21973: Sep 221974: Sep 251975: Sep 151976: Sep 251977: Oct 71978: Sep 271979: Sep 201980: Sep 281981: Sep 301982: Oct 101983: Sep 251984: Sep 301985: Oct 171986: Oct 71987: Oct 131988: Oct 71989: Sep 281990: Oct 211991: Oct 141992: Oct 11993: Oct 11994: Oct 121995: Oct 181996: Sep 271997: Oct 121998: Oct 71999: Oct 72000: Oct 232001: Oct 92002: Oct 152005: Oct 222006: Oct 14

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

"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.