Last Frost Day

Frost history / Emmitsburg 2 Se, MD

Emmitsburg 2 Se, MD: frost dates by year

Last spring and first fall frost at NOAA station USC00182906, 1956 to 2025, measured from daily minimum temperatures.

Elevation 403 ft, 39.676, -77.284. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 14
EarliestMar 27 (2010)Sep 18 (1959)
LatestMay 24 (1963)Nov 8 (2014)
Trend2.9 days earlier per decade3.9 days later per decade
Years with data6566

At 28°F (hard freeze) the median last spring date is Apr 13 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 3019601970198019902000201020201957: May 51958: Apr 101959: Apr 241960: May 21961: Apr 301962: May 101963: May 241964: Apr 261965: Apr 171966: May 111967: May 171968: May 81969: May 21970: May 71971: May 11972: May 111973: May 191974: May 81975: Apr 231976: May 131978: May 21979: May 21980: Apr 181981: May 91982: Apr 241983: Apr 201984: May 171985: May 41986: Apr 141987: May 51988: Apr 261989: Apr 241990: May 81991: Apr 41992: Apr 131993: Apr 281994: May 141995: Apr 71996: May 141997: May 81998: Apr 131999: May 22000: Apr 142001: Apr 292002: May 222003: Apr 82004: Apr 292008: Apr 172009: Apr 172010: Mar 272011: Apr 72012: Apr 72013: May 142014: Apr 182015: Apr 132016: Apr 152017: Apr 102018: Apr 222019: Apr 42020: May 102021: Apr 42022: Apr 302023: Apr 262024: Apr 222025: Apr 18

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201956: Sep 211957: Sep 281958: Oct 61959: Sep 181960: Oct 211961: Oct 51962: Sep 211963: Sep 241964: Oct 61965: Oct 51966: Oct 71968: Oct 51969: Oct 161970: Oct 51971: Nov 51972: Oct 101973: Oct 221974: Sep 241975: Oct 31976: Sep 231977: Oct 181978: Sep 291979: Oct 151980: Oct 141981: Oct 101982: Oct 181983: Oct 221984: Nov 31985: Oct 261986: Oct 71987: Oct 91988: Oct 61989: Sep 281990: Oct 201991: Oct 141992: Oct 71993: Oct 11994: Oct 111995: Oct 171996: Oct 121997: Oct 21998: Oct 231999: Oct 152000: Oct 82001: Oct 82002: Oct 222003: Oct 32004: Oct 132008: Oct 202009: Nov 42010: Nov 22011: Oct 302012: Oct 132013: Oct 262014: Nov 82015: Oct 182016: Oct 262017: Oct 282018: Oct 202019: Nov 22020: Oct 182021: Nov 32022: Oct 212023: Nov 22024: Oct 282025: Oct 25

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 18Oct 25Apr 10Nov 7
2024Apr 22Oct 28Mar 26Nov 14
2023Apr 26Nov 2Apr 10Nov 2
2022Apr 30Oct 21Apr 12Oct 30
2021Apr 4Nov 3Apr 4Nov 4
2020May 10Oct 18Apr 18Nov 19
2019Apr 4Nov 2Apr 4Nov 3
2018Apr 22Oct 20Apr 9Nov 11
2017Apr 10Oct 28Mar 24Nov 11
2016Apr 15Oct 26Apr 11Oct 26
2015Apr 13Oct 18Mar 30Oct 19
2014Apr 18Nov 8Mar 29Nov 15
2013May 14Oct 26Apr 5Nov 9
2012Apr 7Oct 13Mar 11Nov 6
2011Apr 7Oct 30Mar 30Oct 31
2010Mar 27Nov 2Mar 27Nov 2
2009Apr 17Nov 4Apr 14Nov 7
2008Apr 17Oct 20Apr 4Oct 20
2004Apr 29Oct 13Apr 5Nov 7
2003Apr 8Oct 3Apr 6Oct 24
2002May 22Oct 22Apr 8Nov 3
2001Apr 29Oct 8Apr 19Oct 9
2000Apr 14Oct 8Apr 14Nov 1
1999May 2Oct 15Apr 24Oct 15
1998Apr 13Oct 23Apr 11Nov 5
1997May 8Oct 2Apr 27Oct 23
1996May 14Oct 12Apr 18Nov 4
1995Apr 7Oct 17Apr 6Nov 6
1994May 14Oct 11Apr 23Oct 28
1993Apr 28Oct 1Apr 7Oct 1
1992Apr 13Oct 7Apr 5Oct 20
1991Apr 4Oct 14Apr 3Oct 21
1990May 8Oct 20Apr 19Oct 27
1989Apr 24Sep 28Apr 23Nov 4
1988Apr 26Oct 6Apr 22Oct 9
1987May 5Oct 9Apr 2Oct 15
1986Apr 14Oct 7Apr 14Oct 19
1985May 4Oct 26Apr 10Dec 3
1984May 17Nov 3Apr 2Nov 3
1983Apr 20Oct 22Apr 17Oct 30
1982Apr 24Oct 18Apr 24Oct 18
1981May 9Oct 10Apr 21Oct 14
1980Apr 18Oct 14Apr 17Oct 14
1979May 2Oct 15Apr 19Nov 4
1978May 2Sep 29May 1Oct 9
1977no dataOct 18no dataNov 13
1976May 13Sep 23Apr 14Oct 19
1975Apr 23Oct 3Apr 22Oct 31
1974May 8Sep 24May 8Oct 4
1973May 19Oct 22Apr 15Nov 7
1972May 11Oct 10Apr 26Oct 11
1971May 1Nov 5Apr 27Nov 5
1970May 7Oct 5Apr 11Nov 17
1969May 2Oct 16Apr 21Oct 23
1968May 8Oct 5May 7Oct 6
1967May 17no dataApr 13no data
1966May 11Oct 7May 11Oct 18
1965Apr 17Oct 5Apr 14Oct 5
1964Apr 26Oct 6Apr 5Oct 8
1963May 24Sep 24Apr 26Sep 24
1962May 10Sep 21Apr 21Oct 25
1961Apr 30Oct 5Apr 4Oct 28
1960May 2Oct 21May 2Oct 22
1959Apr 24Sep 18Apr 5Oct 19
1958Apr 10Oct 6Apr 9Nov 8
1957May 5Sep 28Apr 15Nov 7
1956no dataSep 21no dataSep 21

"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.