Last Frost Day

Frost history / Bridgton 3 Nw, ME

Bridgton 3 Nw, ME: frost dates by year

Last spring and first fall frost at NOAA station USC00170844, 1955 to 2018, measured from daily minimum temperatures.

Elevation 508 ft, 44.070, -70.747. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Oct 6
EarliestApr 21 (2014)Aug 6 (1994)
LatestJun 12 (1980)Oct 24 (2013)
Trend1.5 days earlier per decadelittle change (less than half a day per decade)
Years with data5355

At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Oct 13.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 291960197019801990200020101956: May 251957: May 171958: May 31959: May 171960: May 31961: May 311962: May 131964: May 31965: May 31966: May 121967: May 111968: May 81969: May 271971: May 61972: May 261973: May 91974: May 121976: May 211977: May 81978: May 61979: May 81980: Jun 121982: May 221983: May 191986: May 101987: May 201988: May 91989: May 101990: Jun 61991: May 191992: May 131993: Apr 301994: May 281996: May 151997: May 91998: May 11999: May 122002: May 232003: May 172004: May 52005: May 132007: May 142008: May 22009: May 192010: May 122011: Apr 232012: Apr 302013: May 152014: Apr 212015: May 22016: May 92017: May 102018: Apr 25

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101955: Oct 221956: Oct 61957: Oct 131958: Oct 61959: Oct 141960: Oct 21961: Oct 151962: Oct 151963: Sep 241964: Oct 61965: Sep 281966: Sep 271967: Oct 71968: Oct 61969: Oct 161971: Oct 131973: Sep 221974: Sep 231975: Oct 51976: Sep 251977: Oct 81978: Sep 141979: Sep 201980: Sep 171982: Oct 31985: Oct 171986: Oct 71987: Sep 261988: Oct 71989: Aug 271990: Aug 211991: Sep 131992: Sep 131993: Sep 201994: Aug 61995: Sep 241996: Sep 241998: Oct 52002: Oct 92003: Oct 62004: Oct 62005: Oct 212006: Oct 72007: Oct 152008: Oct 182009: Sep 262010: Oct 102011: Oct 72012: Oct 132013: Oct 242014: Oct 132015: Oct 52016: Oct 112017: Oct 182018: 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
2018Apr 25Oct 14Apr 24Oct 19
2017May 10Oct 18Apr 16Nov 8
2016May 9Oct 11Apr 30Oct 15
2015May 2Oct 5Apr 24Oct 18
2014Apr 21Oct 13Apr 21Nov 4
2013May 15Oct 24Apr 26Oct 26
2012Apr 30Oct 13Apr 30Oct 13
2011Apr 23Oct 7Apr 22Oct 29
2010May 12Oct 10May 11Oct 20
2009May 19Sep 26Apr 21Oct 15
2008May 2Oct 18May 1Oct 19
2007May 14Oct 15Apr 26Oct 29
2006no dataOct 7no dataOct 14
2005May 13Oct 21Apr 22Oct 22
2004May 5Oct 6Apr 29Oct 6
2003May 17Oct 6Apr 25Oct 20
2002May 23Oct 9Apr 28Oct 9
1999May 12no dataApr 17no data
1998May 1Oct 5Apr 27Oct 6
1997May 9no dataMay 6no data
1996May 15Sep 24Apr 28Sep 24
1995no dataSep 24no dataOct 27
1994May 28Aug 6Apr 23Oct 2
1993Apr 30Sep 20Apr 29Sep 20
1992May 13Sep 13May 7Sep 25
1991May 19Sep 13May 5Oct 13
1990Jun 6Aug 21Apr 20Aug 21
1989May 10Aug 27Apr 29Oct 10
1988May 9Oct 7Apr 23Oct 7
1987May 20Sep 26Apr 28Oct 10
1986May 10Oct 7May 4Oct 7
1985no dataOct 17no dataOct 21
1983May 19no dataMay 10no data
1982May 22Oct 3Apr 30Oct 11
1980Jun 12Sep 17Jun 10Sep 25
1979May 8Sep 20Apr 23Sep 24
1978May 6Sep 14Apr 26Sep 26
1977May 8Oct 8Apr 20Oct 8
1976May 21Sep 25Apr 15Sep 29
1975no dataOct 5no dataOct 5
1974May 12Sep 23May 4Oct 4
1973May 9Sep 22Apr 16Oct 12
1972May 26no dataMay 10no data
1971May 6Oct 13Apr 24Nov 6
1969May 27Oct 16Apr 21Oct 22
1968May 8Oct 6Apr 12Nov 5
1967May 11Oct 7Apr 26Oct 7
1966May 12Sep 27May 3Oct 30
1965May 3Sep 28Apr 25Sep 28
1964May 3Oct 6Apr 30Oct 6
1963no dataSep 24no dataOct 10
1962May 13Oct 15Apr 25Oct 25
1961May 31Oct 15Apr 21Oct 28
1960May 3Oct 2Apr 19Oct 22
1959May 17Oct 14Apr 23Oct 15
1958May 3Oct 6May 3Oct 14
1957May 17Oct 13Apr 16Oct 28
1956May 25Oct 6May 9Oct 12
1955no dataOct 22no dataOct 23

"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.