Last Frost Day

Frost history / Wilkes-Barre Intl Ap, PA

Wilkes-Barre Intl Ap, PA: frost dates by year

Last spring and first fall frost at NOAA station USW00014777, 1951 to 2024, measured from daily minimum temperatures.

Elevation 930 ft, 41.334, -75.727. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 25Oct 17
EarliestApr 2 (1987)Sep 21 (1956)
LatestMay 25 (1956)Nov 5 (1973)
Trend0.8 days later per decade1.5 days later per decade
Years with data7374

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 30.

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 211952: Apr 121953: Apr 201954: Apr 91956: May 251957: May 171958: Apr 131959: Apr 221960: Apr 191961: Apr 301962: Apr 211963: May 241964: Apr 101965: Apr 61966: May 111967: Apr 261968: Apr 71969: Apr 121970: May 71971: Apr 251972: Apr 281973: May 171974: May 81975: Apr 221976: Apr 131977: May 91978: May 41979: May 21980: Apr 171981: Apr 221982: Apr 231983: May 181984: Apr 221985: May 91986: Apr 241987: Apr 21988: Apr 261989: Apr 241990: Apr 191991: Apr 121992: Apr 151993: Apr 141994: Apr 231995: Apr 171996: May 141997: Apr 251998: Apr 271999: Apr 252000: Apr 132001: Apr 292002: May 222003: Apr 142004: Apr 282005: May 132006: May 72007: Apr 162008: May 12009: May 192010: May 112011: Apr 222012: Apr 302013: May 142014: Apr 282015: Apr 262016: Apr 242017: Apr 92018: Apr 222019: Apr 292020: May 132021: Apr 222022: Apr 302023: May 182024: Apr 25

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Oct 81953: Oct 81954: Oct 71955: Oct 221956: Sep 211957: Sep 271958: Oct 21959: Oct 191960: Oct 211961: Oct 51962: Oct 241963: Sep 241964: Oct 61965: Oct 51966: Oct 271967: Oct 291968: Oct 301969: Oct 221970: Oct 171971: Nov 51972: Oct 101973: Nov 51974: Sep 241975: Oct 301976: Oct 121977: Oct 171978: Oct 181979: Oct 271980: Oct 241981: Oct 201982: Oct 181983: Oct 211984: Nov 31985: Oct 121986: Oct 101987: Oct 121988: Oct 81989: Oct 91990: Oct 271991: Sep 301992: Oct 61993: Oct 11994: Oct 111995: Nov 41996: Oct 31997: Oct 21998: Nov 31999: Oct 72000: Sep 292001: Oct 82002: Oct 222003: Oct 32004: Oct 62005: Oct 282006: Oct 132007: Oct 292008: Oct 182009: Oct 122010: Nov 22011: Oct 282012: Oct 122013: Oct 232014: Oct 202015: Oct 172016: Oct 262017: Oct 172018: Oct 182019: Oct 192020: Oct 302021: Nov 32022: Oct 182023: 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 25Oct 17Mar 22Nov 29
2023May 18Nov 1Mar 31Nov 2
2022Apr 30Oct 18Mar 30Nov 15
2021Apr 22Nov 3Apr 3Nov 5
2020May 13Oct 30Mar 22Nov 18
2019Apr 29Oct 19Apr 2Nov 8
2018Apr 22Oct 18Apr 21Nov 12
2017Apr 9Oct 17Mar 24Nov 10
2016Apr 24Oct 26Apr 10Dec 6
2015Apr 26Oct 17Apr 1Oct 18
2014Apr 28Oct 20Apr 16Nov 15
2013May 14Oct 23Apr 6Nov 4
2012Apr 30Oct 12Apr 13Oct 13
2011Apr 22Oct 28Mar 30Oct 30
2010May 11Nov 2Mar 27Nov 7
2009May 19Oct 12Apr 9Oct 19
2008May 1Oct 18Apr 14Oct 19
2007Apr 16Oct 29Apr 11Nov 7
2006May 7Oct 13Apr 10Oct 26
2005May 13Oct 28Mar 30Nov 12
2004Apr 28Oct 6Apr 16Nov 9
2003Apr 14Oct 3Apr 7Nov 8
2002May 22Oct 22Apr 27Oct 24
2001Apr 29Oct 8Apr 29Oct 9
2000Apr 13Sep 29Apr 13Oct 9
1999Apr 25Oct 7Apr 25Oct 7
1998Apr 27Nov 3Apr 11Nov 3
1997Apr 25Oct 2Apr 21Oct 22
1996May 14Oct 3Apr 9Oct 12
1995Apr 17Nov 4Apr 10Nov 6
1994Apr 23Oct 11Apr 8Nov 23
1993Apr 14Oct 1Mar 26Oct 11
1992Apr 15Oct 6Apr 13Nov 7
1991Apr 12Sep 30Mar 31Oct 30
1990Apr 19Oct 27Apr 13Oct 30
1989Apr 24Oct 9Apr 14Nov 4
1988Apr 26Oct 8Apr 19Oct 27
1987Apr 2Oct 12Apr 1Oct 26
1986Apr 24Oct 10Apr 23Oct 31
1985May 9Oct 12Apr 10Oct 29
1984Apr 22Nov 3Apr 2Nov 3
1983May 18Oct 21Apr 20Oct 30
1982Apr 23Oct 18Apr 10Oct 18
1981Apr 22Oct 20Apr 22Nov 12
1980Apr 17Oct 24Apr 17Nov 3
1979May 2Oct 27Apr 11Oct 31
1978May 4Oct 18Apr 23Oct 18
1977May 9Oct 17Apr 10Nov 13
1976Apr 13Oct 12Apr 12Oct 19
1975Apr 22Oct 30Apr 22Oct 31
1974May 8Sep 24May 5Oct 4
1973May 17Nov 5Apr 15Nov 6
1972Apr 28Oct 10Apr 28Oct 18
1971Apr 25Nov 5Apr 15Nov 7
1970May 7Oct 17Apr 12Oct 28
1969Apr 12Oct 22Apr 12Oct 22
1968Apr 7Oct 30Apr 6Nov 1
1967Apr 26Oct 29Apr 12Oct 30
1966May 11Oct 27Apr 1Oct 30
1965Apr 6Oct 5Apr 5Oct 28
1964Apr 10Oct 6Apr 5Oct 12
1963May 24Sep 24Apr 8Nov 25
1962Apr 21Oct 24Apr 17Oct 25
1961Apr 30Oct 5Apr 20Oct 28
1960Apr 19Oct 21Apr 11Nov 7
1959Apr 22Oct 19Apr 14Oct 29
1958Apr 13Oct 2Apr 10Oct 6
1957May 17Sep 27May 3Oct 12
1956May 25Sep 21Apr 25Oct 11
1955no dataOct 22no dataNov 8
1954Apr 9Oct 7Apr 9Oct 8
1953Apr 20Oct 8Mar 21Nov 5
1952Apr 12Oct 8Apr 12Oct 20
1951Apr 21Sep 30Mar 27Nov 3

"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.