Last Frost Day

Frost history / Millers 4 Ne, MD

Millers 4 Ne, MD: frost dates by year

Last spring and first fall frost at NOAA station USC00185934, 1988 to 2025, measured from daily minimum temperatures.

Elevation 860 ft, 39.719, -76.803. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 19Oct 24
EarliestMar 27 (1999)Oct 1 (1993)
LatestMay 14 (2013)Nov 10 (2017)
Trend2.3 days later per decade3.1 days later per decade
Years with data3738

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Nov 6.

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 3019902000201020201989: Apr 241990: Apr 181991: Apr 31992: Apr 131993: Apr 71994: Apr 231995: Apr 161996: May 141997: Apr 221998: Apr 111999: Mar 272000: Apr 142001: Apr 192002: Apr 242003: Apr 82004: Apr 62005: May 32006: Apr 262007: Apr 142008: Apr 142009: Apr 132010: May 102011: Apr 62012: Apr 282013: May 142014: Apr 212015: Apr 252016: Apr 142017: Apr 82018: Apr 212019: Apr 32020: May 102021: Apr 232022: Apr 292023: Apr 252024: Apr 222025: Apr 17

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619902000201020201988: Oct 141989: Nov 41990: Oct 271991: Oct 201992: Oct 181993: Oct 11994: Oct 121995: Nov 41996: Oct 41997: Oct 21998: Oct 301999: Oct 282000: Nov 62001: Oct 82002: Oct 222003: Oct 32004: Oct 182005: Oct 282006: Oct 132007: Oct 292008: Oct 202009: Oct 182010: Oct 302011: Oct 292012: Oct 132013: Oct 262014: Nov 82015: Oct 182016: Oct 262017: Nov 102018: Oct 222019: Nov 22020: Oct 312021: Nov 32022: Oct 192023: Nov 12024: Oct 172025: Oct 26

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 17Oct 26Apr 9Nov 11
2024Apr 22Oct 17Mar 24Nov 13
2023Apr 25Nov 1Mar 30Nov 2
2022Apr 29Oct 19Apr 11Nov 15
2021Apr 23Nov 3Apr 3Nov 4
2020May 10Oct 31Apr 17Nov 19
2019Apr 3Nov 2Apr 1Nov 2
2018Apr 21Oct 22Apr 18Nov 11
2017Apr 8Nov 10Mar 23Nov 11
2016Apr 14Oct 26Apr 10Nov 23
2015Apr 25Oct 18Apr 1Oct 19
2014Apr 21Nov 8Apr 16Nov 14
2013May 14Oct 26Apr 4Nov 4
2012Apr 28Oct 13Mar 30Oct 13
2011Apr 6Oct 29Mar 30Oct 30
2010May 10Oct 30Mar 27Nov 2
2009Apr 13Oct 18Apr 13Nov 7
2008Apr 14Oct 20Apr 3Nov 18
2007Apr 14Oct 29Apr 11Nov 8
2006Apr 26Oct 13Apr 9Oct 13
2005May 3Oct 28Mar 22Nov 18
2004Apr 6Oct 18Apr 6Nov 10
2003Apr 8Oct 3Apr 1Nov 9
2002Apr 24Oct 22Apr 7Nov 19
2001Apr 19Oct 8Apr 19Oct 9
2000Apr 14Nov 6Mar 31Nov 16
1999Mar 27Oct 28Mar 26Nov 4
1998Apr 11Oct 30Mar 25Nov 5
1997Apr 22Oct 2Apr 10Oct 23
1996May 14Oct 4Apr 10Oct 12
1995Apr 16Nov 4Apr 5Nov 5
1994Apr 23Oct 12Mar 19Nov 12
1993Apr 7Oct 1Mar 20Nov 8
1992Apr 13Oct 18Apr 4Oct 20
1991Apr 3Oct 20Apr 3Nov 5
1990Apr 18Oct 27Apr 13Nov 9
1989Apr 24Nov 4Apr 23Nov 4
1988no dataOct 14no dataOct 27

"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.