Last Frost Day

Frost history / Rocky Mt, VA

Rocky Mt, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00447338, 1954 to 2024, measured from daily minimum temperatures.

Elevation 1,315 ft, 36.977, -79.896. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 21Oct 19
EarliestMar 13 (2012)Sep 25 (1963)
LatestMay 19 (1973)Nov 18 (2020)
Trend1.3 days earlier per decade3.3 days later per decade
Years with data5048

At 28°F (hard freeze) the median last spring date is Apr 8 and the median first fall date is Oct 31.

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 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201955: Apr 91956: May 171958: Mar 221959: Apr 241960: May 41961: May 61963: May 21964: Apr 161965: Apr 61966: May 121967: Apr 291968: May 81969: Apr 261970: Apr 91971: Apr 161972: Apr 261973: May 191974: Apr 211975: Apr 131976: May 91977: Apr 101978: May 31979: Apr 181980: May 91981: May 31982: Apr 291983: May 111984: Apr 131985: Apr 111986: May 51987: Apr 111988: Apr 211998: Apr 291999: Mar 312009: Apr 182010: Apr 202011: May 52012: Mar 132013: Apr 62014: Apr 182015: Apr 62016: Apr 162017: Apr 102018: Apr 212019: Apr 162020: May 112021: Apr 242022: Apr 212023: Apr 252024: Apr 23

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201954: Oct 81956: Oct 81960: Oct 221962: Oct 251963: Sep 251964: Oct 81965: Oct 61966: Oct 71967: Oct 201968: Oct 51969: Oct 181970: Oct 171971: Nov 51972: Oct 111973: Oct 181974: Oct 31975: Oct 41976: Oct 191977: Nov 121978: Oct 91979: Oct 141981: Oct 141982: Oct 171983: Sep 251984: Nov 71985: Nov 91986: Oct 191987: Oct 91988: Oct 71995: Nov 41998: Oct 232007: Oct 292008: Oct 202009: Oct 192010: Oct 302011: Oct 302012: Nov 52013: Oct 252014: Nov 32015: Oct 182016: Nov 82017: Nov 102019: Nov 32020: Nov 182021: Nov 32022: Oct 202023: Oct 232024: 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 18Apr 8Nov 13
2023Apr 25Oct 23Apr 11Nov 2
2022Apr 21Oct 20Apr 21Oct 20
2021Apr 24Nov 3Apr 24Nov 5
2020May 11Nov 18May 10Nov 18
2019Apr 16Nov 3Apr 3Nov 3
2018Apr 21no dataMar 27no data
2017Apr 10Nov 10Mar 24Nov 11
2016Apr 16Nov 8Apr 11Nov 13
2015Apr 6Oct 18Apr 6Oct 19
2014Apr 18Nov 3Apr 18Nov 3
2013Apr 6Oct 25Apr 3Oct 26
2012Mar 13Nov 5Mar 12Nov 5
2011May 5Oct 30May 5Nov 6
2010Apr 20Oct 30Mar 29Nov 7
2009Apr 18Oct 19Mar 24Oct 19
2008no dataOct 20no dataOct 24
2007no dataOct 29no dataOct 30
1999Mar 31no dataMar 27no data
1998Apr 29Oct 23Mar 26Oct 23
1995no dataNov 4no dataNov 5
1988Apr 21Oct 7Mar 24Oct 13
1987Apr 11Oct 9Apr 2Oct 23
1986May 5Oct 19May 4Nov 14
1985Apr 11Nov 9Apr 11Dec 3
1984Apr 13Nov 7Apr 11Nov 7
1983May 11Sep 25Apr 19Nov 13
1982Apr 29Oct 17Apr 8Nov 6
1981May 3Oct 14Apr 8Oct 20
1980May 9no dataApr 18no data
1979Apr 18Oct 14Mar 18Oct 27
1978May 3Oct 9Mar 19Dec 2
1977Apr 10Nov 12Apr 9Nov 13
1976May 9Oct 19Apr 14Oct 19
1975Apr 13Oct 4Apr 13Oct 31
1974Apr 21Oct 3Mar 27Oct 4
1973May 19Oct 18Apr 15Nov 10
1972Apr 26Oct 11Apr 9Oct 20
1971Apr 16Nov 5Apr 16Nov 5
1970Apr 9Oct 17Apr 8Oct 18
1969Apr 26Oct 18Apr 2Oct 24
1968May 8Oct 5Mar 26Oct 31
1967Apr 29Oct 20Mar 24Oct 29
1966May 12Oct 7May 11Oct 31
1965Apr 6Oct 6Apr 3Oct 29
1964Apr 16Oct 8Apr 10Oct 8
1963May 2Sep 25May 2Nov 4
1962no dataOct 25no dataOct 25
1961May 6no dataApr 19no data
1960May 4Oct 22Apr 19Oct 26
1959Apr 24no dataApr 7no data
1958Mar 22no dataMar 18no data
1956May 17Oct 8Apr 25Oct 8
1955Apr 9no dataApr 8no data
1954no dataOct 8no dataOct 8

"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 1991–2020 frost probabilities.