Last Frost Day

Frost history / Indiana 3 Se, PA

Indiana 3 Se, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00364214, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,102 ft, 40.597, -79.119. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 10Oct 11
EarliestApr 14 (2007)Sep 14 (1953)
LatestJun 8 (1977)Nov 4 (1971)
Trend1.2 days earlier per decade3.2 days later per decade
Years with data7275

At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Oct 21.

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 1419601970198019902000201020201951: May 141952: May 71953: Apr 241954: May 231955: May 181956: May 251957: May 71958: May 211959: May 91960: May 21961: May 301962: May 101963: May 241964: May 291965: Apr 301966: Jun 21967: May 171968: May 71969: May 11970: May 71971: May 231972: May 111973: May 191974: May 81975: Apr 271976: May 131977: Jun 81978: May 31979: May 171980: May 101981: May 201982: May 41983: May 171984: May 171985: May 41986: May 41987: May 61988: May 261989: May 41990: May 121991: Apr 181992: May 251993: Apr 281994: May 281995: May 81996: May 141997: May 231998: Apr 281999: Apr 262000: Apr 272002: May 222003: Apr 272006: May 232007: Apr 142008: Apr 302009: May 202010: May 112011: May 62012: Apr 302013: May 272014: May 62015: May 242016: May 172017: May 102018: May 22019: Apr 302020: May 142021: May 142022: May 12023: Apr 282024: Apr 242025: May 11

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Sep 251953: Sep 141954: Oct 71955: Oct 221956: Sep 211957: Sep 271958: Sep 291959: Sep 171960: Oct 71961: Sep 291962: Oct 181963: Sep 231964: Sep 141965: Oct 41966: Sep 161967: Sep 251968: Oct 61969: Oct 151970: Oct 171971: Nov 41972: Oct 101973: Oct 181974: Sep 231975: Oct 31976: Oct 121977: Oct 131978: Oct 101979: Oct 151980: Oct 61981: Sep 241982: Oct 181983: Sep 231984: Nov 31985: Oct 71986: Oct 101987: Oct 41988: Oct 81989: Oct 231990: Oct 201991: Sep 271992: Oct 11993: Oct 11994: Oct 111995: Oct 171996: Oct 41997: Oct 171998: Oct 221999: Oct 192000: Oct 292001: Oct 72002: Oct 222003: Oct 32004: Oct 62005: Oct 252006: Oct 132007: Oct 292008: Oct 192009: Oct 142010: Oct 232011: Oct 232012: Oct 112013: Oct 252014: Oct 272015: Oct 192016: Oct 262017: Oct 172018: Oct 192019: Oct 132020: Oct 172021: Nov 32022: Oct 92023: Oct 232024: Oct 112025: Oct 18

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
2025May 11Oct 18Apr 18Nov 7
2024Apr 24Oct 11Apr 23Oct 28
2023Apr 28Oct 23Apr 26Nov 2
2022May 1Oct 9Apr 30Oct 21
2021May 14Nov 3May 2Nov 3
2020May 14Oct 17May 11Oct 17
2019Apr 30Oct 13Apr 4Nov 2
2018May 2Oct 19May 1Oct 23
2017May 10Oct 17May 9Nov 9
2016May 17Oct 26Apr 14Nov 12
2015May 24Oct 19Apr 25Oct 19
2014May 6Oct 27Apr 25Nov 3
2013May 27Oct 25May 15Oct 25
2012Apr 30Oct 11Apr 28Oct 13
2011May 6Oct 23Apr 7Nov 5
2010May 11Oct 23May 11Oct 30
2009May 20Oct 14Apr 14Oct 19
2008Apr 30Oct 19Apr 17Oct 19
2007Apr 14Oct 29Apr 14Oct 29
2006May 23Oct 13Apr 10Oct 15
2005no dataOct 25no dataOct 30
2004no dataOct 6no dataNov 10
2003Apr 27Oct 3Apr 24Oct 3
2002May 22Oct 22Apr 24Nov 2
2001no dataOct 7no dataOct 8
2000Apr 27Oct 29Apr 13Nov 6
1999Apr 26Oct 19Apr 25Oct 19
1998Apr 28Oct 22Apr 12Nov 3
1997May 23Oct 17Apr 20Oct 22
1996May 14Oct 4May 14Nov 2
1995May 8Oct 17Apr 23Oct 17
1994May 28Oct 11Apr 23Nov 11
1993Apr 28Oct 1Apr 27Oct 11
1992May 25Oct 1Apr 13Oct 20
1991Apr 18Sep 27Apr 12Oct 30
1990May 12Oct 20Apr 19Oct 27
1989May 4Oct 23Apr 24Nov 4
1988May 26Oct 8Apr 26Oct 14
1987May 6Oct 4May 1Oct 26
1986May 4Oct 10May 4Nov 13
1985May 4Oct 7Apr 10Oct 29
1984May 17Nov 3Apr 11Nov 3
1983May 17Sep 23May 10Oct 30
1982May 4Oct 18Apr 29Oct 18
1981May 20Sep 24May 3Oct 20
1980May 10Oct 6Apr 17Oct 14
1979May 17Oct 15May 2Oct 15
1978May 3Oct 10May 3Oct 18
1977Jun 8Oct 13Apr 30Oct 18
1976May 13Oct 12May 9Oct 18
1975Apr 27Oct 3Apr 22Oct 31
1974May 8Sep 23Apr 25Oct 4
1973May 19Oct 18May 6Oct 19
1972May 11Oct 10Apr 27Oct 10
1971May 23Nov 4May 1Nov 5
1970May 7Oct 17May 7Nov 23
1969May 1Oct 15Apr 20Oct 18
1968May 7Oct 6May 7Oct 31
1967May 17Sep 25May 17Oct 20
1966Jun 2Sep 16May 11Oct 21
1965Apr 30Oct 4Apr 17Oct 5
1964May 29Sep 14Apr 16Oct 6
1963May 24Sep 23May 24Sep 23
1962May 10Oct 18Apr 24Oct 25
1961May 30Sep 29May 5Oct 28
1960May 2Oct 7May 2Oct 22
1959May 9Sep 17Apr 22Sep 18
1958May 21Sep 29Apr 30Oct 2
1957May 7Sep 27May 5Sep 27
1956May 25Sep 21May 25Sep 21
1955May 18Oct 22Apr 8Oct 22
1954May 23Oct 7May 5Oct 7
1953Apr 24Sep 14Apr 22Oct 8
1952May 7Sep 25May 3Oct 4
1951May 14Sep 29Apr 24Oct 20

"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 1991–2020 frost probabilities.