Last Frost Day

Frost history / Mt Wx, VA

Mt Wx, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00445851, 1951 to 2017, measured from daily minimum temperatures.

Elevation 1,659 ft, 39.064, -77.888. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 19Oct 25
EarliestMar 25 (2017)Sep 21 (1956)
LatestMay 30 (2001)Nov 12 (2016)
Trend1.9 days earlier per decade2.5 days later per decade
Years with data6160

At 28°F (hard freeze) the median last spring date is Apr 9 and the median first fall date is Nov 4.

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 30Jun 141960197019801990200020101951: Apr 201952: Apr 111953: Apr 221954: May 61955: Apr 91957: May 41958: Apr 111959: Apr 141960: Apr 111961: May 271962: Apr 201963: May 21964: Apr 91965: Apr 41967: May 251968: Apr 71969: Apr 201970: May 71971: May 41972: Apr 261973: Apr 151974: May 71975: Apr 151976: Apr 281977: Apr 291978: May 21979: Apr 111980: Apr 181981: May 71982: Apr 291983: Apr 211984: Apr 231985: Apr 111986: May 41987: Apr 71988: Apr 221989: Apr 121990: Apr 191991: Apr 121992: Apr 141994: Apr 91995: Apr 151996: Apr 111997: May 231998: Apr 301999: Mar 282000: Apr 102001: May 302002: Apr 242003: Apr 192006: Apr 102007: Apr 112009: Apr 122010: Mar 292011: Apr 22012: Apr 252013: Apr 222014: Apr 192015: Apr 22016: Apr 112017: Mar 25

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 271952: Oct 41953: Nov 51954: Oct 71956: Sep 211957: Oct 261958: Oct 61959: Oct 191960: Oct 211961: Oct 151963: Oct 301964: Oct 71965: Oct 51966: Oct 181967: Nov 51968: Nov 91969: Oct 231970: Oct 171971: Nov 71972: Oct 191973: Nov 41974: Oct 31975: Oct 311976: Oct 181977: Nov 121978: Oct 241979: Oct 101980: Oct 271981: Oct 201982: Oct 231983: Sep 231984: Nov 31985: Oct 291986: Oct 71987: Oct 141988: Oct 131989: Oct 211990: Oct 271991: Nov 41992: Oct 191993: Nov 11994: Nov 111995: Nov 41996: Oct 41998: Nov 51999: Nov 42000: Oct 92001: Oct 292002: Oct 302006: Oct 242007: Nov 82008: Oct 302009: Oct 182010: Nov 22011: Oct 282012: Nov 52013: Nov 42014: Nov 82015: Oct 182016: Nov 12

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