Last Frost Day

Frost history / Everett, PA

Everett, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00362721, 1951 to 2022, measured from daily minimum temperatures.

Elevation 1,000 ft, 40.014, -78.365. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 8
EarliestApr 7 (2011)Sep 15 (1967)
LatestMay 25 (1963)Oct 31 (1975)
Trend0.7 days later per decade1.4 days later per decade
Years with data5156

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 20.

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 3019601970198019902000201020201951: May 141952: Apr 121953: Apr 221954: May 51955: May 181956: May 171957: May 51958: Apr 141959: Apr 141960: May 31961: May 51962: Apr 211963: May 251965: May 141968: May 81970: Apr 161971: Apr 121973: May 171975: Apr 231976: May 131977: Apr 301978: May 21986: May 51988: May 21989: May 41993: Apr 271994: May 131996: May 141997: May 81998: Apr 281999: Apr 292000: Apr 152001: Apr 302002: May 222003: Apr 152004: May 62005: May 72006: May 72007: May 82008: Apr 302010: May 112011: Apr 72012: May 12013: May 152014: Apr 252015: May 152016: May 172017: May 102018: May 22020: May 142022: May 9

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 91952: Sep 241953: Sep 231954: Oct 71955: Oct 231956: Sep 211957: Sep 271958: Oct 21959: Sep 181960: Oct 221961: Oct 171962: Sep 211963: Sep 231965: Oct 51967: Sep 151968: Oct 61969: Oct 181970: Oct 191971: Oct 111972: Oct 101973: Oct 251974: Sep 241975: Oct 311976: Oct 121977: Oct 71983: Sep 241986: Sep 171988: Oct 81993: Sep 301994: Oct 31995: Oct 171996: Oct 31997: Oct 161998: Oct 161999: Oct 72000: Oct 82001: Oct 82002: Oct 152003: Sep 302004: Oct 62005: Oct 262006: Oct 132007: Oct 142008: Oct 72009: Oct 142010: Oct 202011: Oct 232012: Oct 82013: Sep 192014: Oct 272015: Oct 192016: Oct 112017: Oct 12018: Oct 192019: Oct 192020: Sep 20

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

"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.