Last Frost Day

Frost history / Martinsburg E Wv Rgnl Ap, WV

Martinsburg E Wv Rgnl Ap, WV: frost dates by year

Last spring and first fall frost at NOAA station USW00013734, 1951 to 2024, measured from daily minimum temperatures.

Elevation 534 ft, 39.402, -77.984. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 21Oct 18
EarliestMar 27 (2010)Sep 20 (2020)
LatestMay 24 (1963)Nov 13 (1977)
Trend1.1 days earlier per decade1.9 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 5 and the median first fall date is Oct 29.

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: Apr 101953: Apr 221954: Apr 131955: Apr 51956: May 171957: May 51958: Apr 91959: Apr 141960: May 21961: Apr 211962: Apr 211963: May 241964: Apr 161965: Apr 171966: May 111967: May 41968: May 81969: Apr 211970: May 71971: Apr 241972: Apr 271973: May 161974: May 81975: Apr 221976: Apr 141977: Apr 101978: Apr 231979: Apr 111980: Apr 181981: Apr 211982: Apr 231983: Apr 191984: Apr 111985: Apr 101986: Apr 121987: Apr 291988: Apr 261989: Apr 231990: Apr 191991: Apr 41992: Apr 291993: Apr 281994: Apr 91995: Apr 151996: May 141997: Apr 201998: Apr 131999: Mar 312000: Apr 132001: Apr 272002: May 222003: Apr 82004: Apr 162005: May 72006: Apr 272007: Apr 112008: Apr 162009: Apr 222010: Mar 272011: Apr 22012: Apr 252013: May 142014: Apr 172015: Apr 122016: Apr 142017: Apr 92018: Apr 212019: Apr 32020: Apr 192021: Apr 232022: Apr 292023: Apr 252024: Apr 23

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Sep 301952: Oct 41953: Oct 81954: Oct 71955: Oct 231956: Sep 211957: Sep 281958: Oct 61959: Oct 161960: Oct 211961: Oct 271962: Sep 211963: Sep 231964: Oct 61965: Oct 61966: Oct 181967: Oct 201968: Oct 61969: Oct 231970: Nov 81971: Nov 41972: Oct 101973: Oct 221974: Sep 241975: Oct 311976: Oct 191977: Nov 131978: Oct 91979: Oct 151980: Oct 231981: Oct 141982: Oct 171983: Oct 301984: Nov 31985: Oct 261986: Oct 111987: Oct 91988: Oct 71989: Sep 281990: Oct 201991: Oct 211992: Oct 61993: Oct 11994: Oct 111995: Oct 261996: Oct 121997: Oct 231998: Nov 41999: Oct 282000: Nov 22001: Oct 72002: Oct 182003: Oct 32004: Oct 182005: Oct 282006: Oct 132007: Oct 292008: Oct 192009: Oct 192010: Nov 12011: Oct 302012: Oct 122013: Oct 252014: Nov 82015: Oct 182016: Oct 262017: Oct 272018: Oct 192019: Oct 192020: Sep 202021: Nov 22022: Oct 182023: Oct 242024: Oct 18

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 23Oct 18Mar 25Nov 13
2023Apr 25Oct 24Apr 9Nov 1
2022Apr 29Oct 18Mar 30Nov 19
2021Apr 23Nov 2Apr 3Nov 4
2020Apr 19Sep 20Mar 8Nov 18
2019Apr 3Oct 19Apr 3Nov 2
2018Apr 21Oct 19Apr 10Nov 10
2017Apr 9Oct 27Mar 23Nov 10
2016Apr 14Oct 26Apr 10Nov 8
2015Apr 12Oct 18Mar 29Oct 19
2014Apr 17Nov 8Mar 27Nov 8
2013May 14Oct 25Apr 4Nov 9
2012Apr 25Oct 12Mar 11Nov 5
2011Apr 2Oct 30Mar 30Oct 30
2010Mar 27Nov 1Mar 27Nov 2
2009Apr 22Oct 19Apr 13Oct 19
2008Apr 16Oct 19Apr 3Oct 20
2007Apr 11Oct 29Apr 11Oct 29
2006Apr 27Oct 13Apr 10Nov 3
2005May 7Oct 28Apr 16Nov 12
2004Apr 16Oct 18Apr 5Nov 9
2003Apr 8Oct 3Apr 1Oct 24
2002May 22Oct 18Apr 7Nov 3
2001Apr 27Oct 7Apr 19Oct 8
2000Apr 13Nov 2Mar 18Nov 6
1999Mar 31Oct 28Mar 11Nov 17
1998Apr 13Nov 4Mar 25Nov 5
1997Apr 20Oct 23Apr 10Oct 23
1996May 14Oct 12Apr 8Nov 4
1995Apr 15Oct 26Apr 5Nov 4
1994Apr 9Oct 11Mar 17Oct 28
1993Apr 28Oct 1Mar 20Nov 7
1992Apr 29Oct 6Apr 4Oct 20
1991Apr 4Oct 21Apr 3Oct 21
1990Apr 19Oct 20Apr 19Nov 7
1989Apr 23Sep 28Apr 14Oct 23
1988Apr 26Oct 7Mar 23Oct 14
1987Apr 29Oct 9Apr 1Oct 14
1986Apr 12Oct 11Mar 25Oct 19
1985Apr 10Oct 26Apr 10Oct 29
1984Apr 11Nov 3Mar 24Nov 8
1983Apr 19Oct 30Mar 30Oct 30
1982Apr 23Oct 17Apr 12Oct 18
1981Apr 21Oct 14Apr 7Oct 14
1980Apr 18Oct 23Apr 17Oct 31
1979Apr 11Oct 15Mar 28Oct 27
1978Apr 23Oct 9Mar 9Oct 25
1977Apr 10Nov 13Apr 10Nov 14
1976Apr 14Oct 19Mar 23Oct 19
1975Apr 22Oct 31Apr 14Oct 31
1974May 8Sep 24Mar 26Oct 4
1973May 16Oct 22Apr 15Nov 7
1972Apr 27Oct 10Apr 10Oct 20
1971Apr 24Nov 4Apr 3Nov 5
1970May 7Nov 8Apr 11Nov 16
1969Apr 21Oct 23Apr 13Oct 23
1968May 8Oct 6May 7Oct 31
1967May 4Oct 20Apr 12Oct 20
1966May 11Oct 18May 11Oct 31
1965Apr 17Oct 6Apr 5Oct 6
1964Apr 16Oct 6Apr 5Oct 8
1963May 24Sep 23Apr 16Oct 14
1962Apr 21Sep 21Apr 17Oct 24
1961Apr 21Oct 27Apr 17Oct 28
1960May 2Oct 21Apr 11Oct 22
1959Apr 14Oct 16Mar 29Oct 29
1958Apr 9Oct 6Apr 9Oct 20
1957May 5Sep 28Apr 15Oct 13
1956May 17Sep 21Apr 25Oct 11
1955Apr 5Oct 23Apr 5Oct 31
1954Apr 13Oct 7Apr 10Oct 8
1953Apr 22Oct 8Apr 15Oct 8
1952Apr 10Oct 4Apr 8Oct 21
1951Apr 24Sep 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.