Last Frost Day

Frost history / Gardiner, ME

Gardiner, ME: frost dates by year

Last spring and first fall frost at NOAA station USC00173046, 1951 to 2024, measured from daily minimum temperatures.

Elevation 133 ft, 44.220, -69.789. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 8Oct 6
EarliestApr 16 (2008)Aug 31 (1965)
LatestJun 10 (2018)Nov 1 (2023)
Trend2.0 days earlier per decade3.2 days later per decade
Years with data6869

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 16.

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 2919601970198019902000201020201951: May 191952: May 151953: May 31954: Apr 291955: May 11956: May 291957: May 191958: May 31959: May 181960: May 31961: May 201962: May 131963: May 251964: May 211965: May 151966: May 141967: Jun 11969: May 271970: Apr 301971: May 21975: May 91976: May 51977: May 121978: May 61979: May 91980: May 51981: May 181982: May 61984: May 181985: May 151986: May 101987: May 91988: Apr 231989: Apr 291990: May 41991: Apr 261992: May 261993: Apr 291994: May 41995: May 81996: May 161997: May 91998: May 131999: May 122000: May 32001: May 72002: May 202003: May 52004: May 82005: May 132006: May 12007: May 72008: Apr 162009: Apr 212010: May 112011: Apr 232012: Apr 302013: Apr 262014: Apr 212015: Apr 212016: Apr 302017: Apr 202018: Jun 102019: Apr 292020: May 102021: Apr 232022: May 122024: Apr 28

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Oct 81953: Sep 241954: Oct 81955: Sep 141956: Sep 191957: Sep 251958: Oct 31959: Sep 161960: Oct 21961: Sep 301962: Sep 211963: Sep 141964: Sep 161965: Aug 311966: Sep 211967: Oct 81968: Oct 61969: Oct 151970: Oct 61971: Oct 91975: Oct 31976: Sep 251977: Oct 71978: Sep 271980: Sep 251981: Oct 51982: Oct 101983: Sep 301984: Oct 61985: Oct 121986: Oct 81987: Sep 261988: Oct 71989: Sep 251990: Oct 211991: Oct 81992: Oct 21993: Oct 11994: Oct 121995: Sep 291996: Oct 41997: Oct 121998: Oct 61999: Oct 82000: Sep 292001: Oct 82002: Oct 92003: Oct 72004: Oct 62005: Oct 212006: Oct 72007: Oct 172008: Oct 182009: Sep 262010: Oct 192012: Oct 132013: Oct 262014: Oct 312015: Oct 182016: Oct 152017: Oct 172018: Oct 142019: Oct 52020: Sep 202021: Oct 292022: Oct 42023: Nov 12024: Oct 17

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
2024Apr 28Oct 17Apr 26Oct 17
2023no dataNov 1no dataNov 1
2022May 12Oct 4May 11Nov 9
2021Apr 23Oct 29Apr 6Nov 4
2020May 10Sep 20Apr 24Oct 31
2019Apr 29Oct 5Apr 18Nov 8
2018Jun 10Oct 14Apr 23Oct 25
2017Apr 20Oct 17Apr 10Nov 9
2016Apr 30Oct 15Apr 29Oct 16
2015Apr 21Oct 18Apr 16Oct 19
2014Apr 21Oct 31Apr 20Nov 10
2013Apr 26Oct 26Apr 23Oct 26
2012Apr 30Oct 13Apr 6Nov 6
2011Apr 23no dataApr 17no data
2010May 11Oct 19Mar 29Oct 24
2009Apr 21Sep 26Apr 15Sep 26
2008Apr 16Oct 18Apr 9Oct 19
2007May 7Oct 17Apr 13Nov 5
2006May 1Oct 7Apr 26Nov 4
2005May 13Oct 21Apr 22Oct 29
2004May 8Oct 6Apr 29Oct 6
2003May 5Oct 7Apr 19Oct 20
2002May 20Oct 9Apr 23Oct 15
2001May 7Oct 8Apr 29Oct 18
2000May 3Sep 29Apr 14Oct 23
1999May 12Oct 8Apr 16Oct 8
1998May 13Oct 6Apr 12Oct 26
1997May 9Oct 12Apr 27Oct 22
1996May 16Oct 4Apr 28Oct 5
1995May 8Sep 29Apr 25Nov 5
1994May 4Oct 12Apr 23Oct 12
1993Apr 29Oct 1Apr 28Oct 11
1992May 26Oct 2Apr 17Oct 18
1991Apr 26Oct 8Apr 19Oct 21
1990May 4Oct 21Apr 19Oct 28
1989Apr 29Sep 25Apr 29Nov 5
1988Apr 23Oct 7Apr 21Oct 21
1987May 9Sep 26Apr 29Oct 13
1986May 10Oct 8May 4Oct 11
1985May 15Oct 12May 9Oct 22
1984May 18Oct 6Apr 10Oct 6
1983no dataSep 30no dataOct 11
1982May 6Oct 10May 5Oct 10
1981May 18Oct 5Apr 23Oct 11
1980May 5Sep 25Apr 22Sep 29
1979May 9no dataApr 21no data
1978May 6Sep 27Apr 26Oct 17
1977May 12Oct 7Apr 15Oct 8
1976May 5Sep 25Apr 15Oct 12
1975May 9Oct 3Apr 30Oct 5
1971May 2Oct 9Apr 17Nov 5
1970Apr 30Oct 6Apr 20Oct 20
1969May 27Oct 15May 27Oct 16
1968no dataOct 6no dataOct 9
1967Jun 1Oct 8May 7Oct 8
1966May 14Sep 21May 8Sep 27
1965May 15Aug 31May 5Sep 28
1964May 21Sep 16May 3Sep 20
1963May 25Sep 14Apr 29Sep 24
1962May 13Sep 21May 12Oct 15
1961May 20Sep 30May 20Oct 16
1960May 3Oct 2Apr 20Oct 13
1959May 18Sep 16May 9Oct 15
1958May 3Oct 3May 3Oct 14
1957May 19Sep 25Apr 16Oct 13
1956May 29Sep 19May 25Oct 6
1955May 1Sep 14Apr 21Sep 27
1954Apr 29Oct 8Apr 14Oct 8
1953May 3Sep 24Apr 22Sep 24
1952May 15Oct 8Apr 17Oct 11
1951May 19Sep 30May 4Oct 14

"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.