Last Frost Day

Frost history / Selinsgrove 2 S, PA

Selinsgrove 2 S, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00367931, 1951 to 2025, measured from daily minimum temperatures.

Elevation 420 ft, 40.783, -76.862. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 17
EarliestApr 2 (1987)Sep 21 (1956)
LatestMay 25 (1956)Nov 9 (2004)
Trend0.5 days earlier per decade3.1 days later per decade
Years with data5556

At 28°F (hard freeze) the median last spring date is Apr 12 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 241952: May 41953: Apr 221954: May 51955: Apr 91956: May 251977: Apr 301978: May 41979: May 21980: Apr 191981: May 81982: Apr 291983: May 171984: May 171985: May 41986: May 41987: Apr 21988: Apr 261989: Apr 251990: Apr 201991: Apr 51992: Apr 141993: Apr 181994: Apr 231995: Apr 181996: May 151997: May 81998: Apr 281999: Apr 262000: Apr 142001: Apr 302002: May 212003: Apr 152004: Apr 172005: May 72006: Apr 272007: Apr 152008: Apr 172009: Apr 252010: May 102011: Apr 72012: May 12013: May 152014: Apr 192015: Apr 262016: May 162017: Apr 102018: Apr 232019: Apr 302020: May 142021: Apr 242022: May 92023: Apr 252024: Apr 232025: Apr 17

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Sep 291952: Oct 41953: Oct 71954: Oct 71955: Oct 221956: Sep 211976: Oct 111977: Oct 181978: Sep 291979: Oct 161980: Oct 51981: Oct 101982: Oct 171983: Oct 161984: Nov 31985: Oct 121986: Oct 111987: Oct 91988: Oct 121989: Oct 101990: Oct 271991: Oct 141992: Oct 61993: Oct 111994: Oct 171995: Oct 171996: Oct 41997: Oct 211998: Oct 301999: Oct 282000: Sep 302001: Oct 82002: Oct 232003: Oct 242004: Nov 92005: Oct 302006: Oct 132007: Oct 292008: Oct 192009: Oct 152010: Oct 232011: Oct 282012: Oct 132013: Oct 262014: Nov 32015: Oct 192016: Oct 262017: Oct 282018: Oct 192019: Oct 192020: Oct 182021: Nov 32022: Oct 212023: Nov 12024: Oct 182025: Oct 27

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