Last Frost Day

Frost history / Frostburg 2, MD

Frostburg 2, MD: frost dates by year

Last spring and first fall frost at NOAA station USC00183415, 1972 to 2025, measured from daily minimum temperatures.

Elevation 2,170 ft, 39.660, -78.936. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 15
EarliestApr 3 (2019)Sep 24 (1974)
LatestMay 28 (1983)Nov 9 (2004)
Trend0.7 days earlier per decade3.8 days later per decade
Years with data5254

At 28°F (hard freeze) the median last spring date is Apr 16 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 16Mar 31Apr 15Apr 30May 15May 30Jun 14198019902000201020201973: Apr 151974: May 81975: Apr 221976: May 101978: May 41979: May 11980: May 101981: May 81982: Apr 301983: May 281984: Apr 241985: Apr 181986: May 41987: Apr 61988: Apr 231989: May 81990: Apr 201991: Apr 131992: Apr 141993: Apr 281994: Apr 241995: Apr 241996: May 151997: Apr 211998: Apr 291999: Apr 262000: Apr 272001: Apr 272002: May 232003: Apr 252004: May 52005: May 52006: May 72007: Apr 172008: Apr 302009: May 192010: May 112011: Apr 72012: Apr 282013: May 152014: Apr 252015: Apr 252016: Apr 152017: May 102018: Apr 302019: Apr 32020: May 102021: Apr 262022: Apr 302023: Apr 262024: Apr 222025: Apr 18

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26198019902000201020201972: Oct 31973: Oct 171974: Sep 241975: Oct 41976: Oct 181977: Oct 81978: Oct 91979: Oct 111980: Oct 61981: Oct 51982: Oct 171983: Oct 281984: Sep 281985: Oct 291986: Oct 71987: Oct 91988: Oct 91989: Oct 91990: Oct 201991: Oct 141992: Oct 71993: Oct 11994: Oct 121995: Oct 261996: Oct 51997: Oct 211998: Oct 221999: Oct 82000: Oct 82001: Oct 82002: Oct 182003: Oct 32004: Nov 92005: Oct 252006: Oct 132007: Oct 292008: Oct 182009: Oct 142010: Oct 302011: Oct 282012: Oct 132013: Oct 242014: Nov 22015: Oct 182016: Oct 142017: Oct 272018: Oct 202019: Oct 142020: Oct 172021: Nov 32022: Oct 182023: Oct 312024: Oct 272025: Nov 7

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
2025Apr 18Nov 7Apr 18Nov 11
2024Apr 22Oct 27Mar 25Nov 13
2023Apr 26Oct 31Apr 26Nov 1
2022Apr 30Oct 18Apr 30Nov 15
2021Apr 26Nov 3Apr 23Nov 4
2020May 10Oct 17May 10Oct 31
2019Apr 3Oct 14Apr 3Nov 2
2018Apr 30Oct 20Apr 22Oct 25
2017May 10Oct 27Mar 24Nov 10
2016Apr 15Oct 14Apr 14Nov 12
2015Apr 25Oct 18Apr 2Oct 18
2014Apr 25Nov 2Apr 18Nov 8
2013May 15Oct 24May 14Oct 26
2012Apr 28Oct 13Mar 28Oct 13
2011Apr 7Oct 28Apr 6Oct 29
2010May 11Oct 30May 10Nov 1
2009May 19Oct 14Apr 14Nov 4
2008Apr 30Oct 18Mar 31Oct 23
2007Apr 17Oct 29Apr 11Oct 29
2006May 7Oct 13Apr 27Oct 16
2005May 5Oct 25Mar 23Nov 17
2004May 5Nov 9Apr 7Nov 9
2003Apr 25Oct 3Apr 9Oct 3
2002May 23Oct 18Apr 25Oct 30
2001Apr 27Oct 8Apr 20Oct 8
2000Apr 27Oct 8Apr 14Nov 6
1999Apr 26Oct 8Mar 27Nov 4
1998Apr 29Oct 22Mar 26Nov 5
1997Apr 21Oct 21Apr 21Oct 21
1996May 15Oct 5May 15Nov 3
1995Apr 24Oct 26Apr 7Nov 4
1994Apr 24Oct 12Apr 9Nov 12
1993Apr 28Oct 1Apr 28Nov 2
1992Apr 14Oct 7Apr 14Oct 18
1991Apr 13Oct 14Apr 4Nov 4
1990Apr 20Oct 20Apr 20Oct 27
1989May 8Oct 9Apr 24Nov 4
1988Apr 23Oct 9Apr 17Oct 13
1987Apr 6Oct 9Apr 6Oct 9
1986May 4Oct 7Apr 24Nov 11
1985Apr 18Oct 29Apr 18Dec 3
1984Apr 24Sep 28Apr 12Sep 28
1983May 28Oct 28Apr 21Oct 30
1982Apr 30Oct 17Apr 30Oct 18
1981May 8Oct 5Apr 22Oct 18
1980May 10Oct 6Apr 18Oct 24
1979May 1Oct 11Apr 11Oct 27
1978May 4Oct 9May 2Oct 10
1977no dataOct 8no dataNov 12
1976May 10Oct 18Apr 28Oct 19
1975Apr 22Oct 4Apr 15Oct 31
1974May 8Sep 24Apr 11Sep 25
1973Apr 15Oct 17Apr 15Oct 18
1972no dataOct 3no dataOct 11

"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.