Last Frost Day

Frost history / Canton, PA

Canton, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00361212, 1977 to 2025, measured from daily minimum temperatures.

Elevation 1,140 ft, 41.652, -76.846. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 16Sep 30
EarliestApr 27 (2024)Aug 29 (1982)
LatestJun 17 (1980)Nov 2 (2021)
Trend3.4 days earlier per decade4.9 days later per decade
Years with data4344

At 28°F (hard freeze) the median last spring date is May 7 and the median first fall date is Oct 11.

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 29198019902000201020201977: May 151978: May 41980: Jun 171981: Jun 11982: May 111983: Jun 91984: May 181985: May 221986: Jun 31987: May 131988: Jun 111989: May 131990: May 121991: May 201992: May 291993: May 301994: May 281995: May 91997: May 281998: Apr 291999: May 32000: May 162002: May 232003: May 152004: May 62007: May 222009: Jun 12010: May 122011: May 62012: May 12013: May 272014: May 192015: May 232016: May 192017: May 92018: May 12019: Apr 292020: May 212021: May 142022: May 102023: May 272024: Apr 272025: Apr 28

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11198019902000201020201977: Oct 131978: Sep 291979: Sep 201980: Sep 271981: Sep 211982: Aug 291983: Sep 151984: Sep 301985: Sep 131986: Sep 81987: Sep 261988: Sep 161989: Sep 241991: Sep 211993: Sep 201994: Oct 31995: Sep 111997: Sep 221998: Sep 241999: Oct 62000: Sep 62001: Oct 82002: Oct 82003: Oct 32004: Oct 52007: Sep 172008: Sep 192009: Oct 122010: Oct 102011: Oct 62012: Oct 82013: Sep 172014: Oct 52015: Oct 152016: Oct 112017: Oct 12018: Oct 162019: Oct 52020: Sep 192021: Nov 22022: Sep 302023: Oct 232024: Oct 112025: Oct 10

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