Last Frost Day

Frost history / Weston, WV

Weston, WV: frost dates by year

Last spring and first fall frost at NOAA station USC00469436, 1951 to 2011, measured from daily minimum temperatures.

Elevation 1,023 ft, 39.044, -80.472. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 14
EarliestApr 7 (2011)Sep 22 (1991)
LatestMay 24 (1963)Nov 5 (1971)
Trend0.9 days earlier per decade1.6 days later per decade
Years with data5457

At 28°F (hard freeze) the median last spring date is Apr 15 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 31Apr 15Apr 30May 15May 301960197019801990200020101951: Apr 241952: Apr 171953: Apr 231954: May 221955: Apr 101956: Apr 251957: May 51958: Apr 141959: Apr 251960: May 21961: May 41962: Apr 241963: May 241964: Apr 171965: Apr 181966: May 121967: Apr 301968: May 81969: May 21970: May 81971: May 51972: May 121973: May 161974: May 81975: Apr 221976: May 101977: May 121978: May 41979: May 11980: May 111981: May 81982: Apr 301987: May 101988: May 21989: May 81990: Apr 191991: Apr 261994: Apr 241996: May 151997: Apr 211998: Apr 141999: Apr 302000: Apr 282001: Apr 302002: May 232003: Apr 252004: May 52005: May 32006: Apr 112007: Apr 112008: Apr 172009: Apr 132010: May 102011: Apr 7

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 291952: Oct 41953: Oct 81954: Oct 81955: Oct 251956: Oct 101957: Oct 121958: Oct 61959: Oct 191960: Oct 221961: Oct 281962: Oct 251963: Oct 131964: Oct 61965: Oct 41966: Oct 71967: Oct 201968: Oct 51969: Oct 151970: Oct 171971: Nov 51972: Oct 101973: Oct 191974: Sep 241975: Oct 41976: Oct 181977: Oct 151978: Oct 91979: Oct 141980: Oct 141981: Oct 41982: Oct 171983: Sep 251986: Oct 71987: Sep 271988: Oct 61989: Oct 51990: Oct 201991: Sep 221994: Oct 111995: Oct 261996: Nov 21997: Oct 171998: Oct 231999: Oct 252000: Oct 82001: Oct 72002: Nov 22003: Oct 32004: Oct 182005: Oct 252006: Oct 132007: Oct 292008: Oct 192009: Nov 22010: Oct 222011: Oct 29

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
2011Apr 7Oct 29Mar 30Nov 5
2010May 10Oct 22Mar 28Nov 2
2009Apr 13Nov 2Apr 13Nov 6
2008Apr 17Oct 19Mar 26Oct 22
2007Apr 11Oct 29Apr 11Nov 2
2006Apr 11Oct 13Apr 10Oct 26
2005May 3Oct 25Mar 23Nov 11
2004May 5Oct 18Apr 28Nov 9
2003Apr 25Oct 3Apr 1Oct 25
2002May 23Nov 2Apr 8Nov 2
2001Apr 30Oct 7Apr 19Oct 29
2000Apr 28Oct 8Apr 1Oct 30
1999Apr 30Oct 25Apr 14Nov 4
1998Apr 14Oct 23Apr 12Nov 5
1997Apr 21Oct 17Apr 21Oct 23
1996May 15Nov 2Apr 12Nov 3
1995no dataOct 26no dataNov 5
1994Apr 24Oct 11Apr 8Oct 29
1991Apr 26Sep 22Apr 26Oct 7
1990Apr 19Oct 20Apr 19Oct 20
1989May 8Oct 5Apr 25Oct 23
1988May 2Oct 6Apr 21Oct 13
1987May 10Sep 27Apr 29Oct 4
1986no dataOct 7no dataOct 16
1983no dataSep 25no dataNov 8
1982Apr 30Oct 17Apr 24Oct 18
1981May 8Oct 4Apr 21Oct 20
1980May 11Oct 14Apr 18Oct 27
1979May 1Oct 14Apr 11Oct 15
1978May 4Oct 9May 4Nov 20
1977May 12Oct 15Apr 11Nov 12
1976May 10Oct 18Apr 15Oct 18
1975Apr 22Oct 4Apr 15Oct 31
1974May 8Sep 24May 8Oct 4
1973May 16Oct 19Apr 16Nov 4
1972May 12Oct 10Apr 26Oct 20
1971May 5Nov 5Apr 28Nov 5
1970May 8Oct 17May 8Oct 18
1969May 2Oct 15Apr 8Oct 18
1968May 8Oct 5Apr 16Oct 31
1967Apr 30Oct 20Apr 29Oct 20
1966May 12Oct 7May 12Oct 22
1965Apr 18Oct 4Apr 4Oct 5
1964Apr 17Oct 6Apr 11Oct 11
1963May 24Oct 13May 2Oct 31
1962Apr 24Oct 25Apr 21Oct 25
1961May 4Oct 28Apr 30Nov 8
1960May 2Oct 22Apr 12Oct 25
1959Apr 25Oct 19Mar 30Oct 29
1958Apr 14Oct 6Apr 2Nov 8
1957May 5Oct 12Apr 16Oct 29
1956Apr 25Oct 10Apr 25Nov 17
1955Apr 10Oct 25Apr 8Oct 25
1954May 22Oct 8Apr 5Nov 1
1953Apr 23Oct 8Apr 15Oct 8
1952Apr 17Oct 4Apr 9Oct 21
1951Apr 24Sep 29Apr 19Nov 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.