Last Frost Day

Frost history / Sequim 2 E, WA

Sequim 2 E, WA: frost dates by year

Last spring and first fall frost at NOAA station USC00457544, 1981 to 2025, measured from daily minimum temperatures.

Elevation 50 ft, 48.085, -123.064. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 1Oct 15
EarliestMar 17 (2016)Sep 16 (1992)
LatestMay 22 (1998)Nov 19 (2025)
Trend6.1 days earlier per decade7.4 days later per decade
Years with data3943

At 28°F (hard freeze) the median last spring date is Apr 6 and the median first fall date is Nov 1.

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 3019902000201020201981: May 51982: May 41983: Apr 281984: May 71985: May 121986: May 221987: May 201988: May 71989: Apr 221990: May 81991: Apr 301992: Apr 231993: Apr 51994: May 31995: Apr 181996: May 81997: May 21998: May 221999: May 102001: Apr 212003: May 182004: Apr 22005: Apr 132006: May 12007: Apr 202008: May 112009: Apr 252010: May 72011: Apr 302012: May 112013: May 12014: Apr 172015: May 32016: Mar 172017: Apr 162020: Apr 122021: Apr 122024: Apr 182025: Mar 22

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619902000201020201981: Oct 41982: Oct 51983: Sep 291984: Sep 241985: Sep 291986: Oct 111987: Oct 101988: Sep 181989: Oct 31990: Oct 71991: Oct 171992: Sep 161993: Nov 11994: Oct 121995: Oct 191997: Oct 211998: Oct 181999: Oct 152000: Sep 212001: Sep 272002: Oct 102003: Oct 302004: Oct 222005: Oct 262006: Oct 242007: Oct 252008: Oct 142009: Oct 102010: Oct 162011: Oct 252012: Oct 212013: Oct 282014: Nov 102015: Nov 32016: Oct 112017: Oct 102018: Nov 72019: Oct 92020: Oct 212021: Oct 112022: Nov 32024: Nov 152025: Nov 19

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
2025Mar 22Nov 19Feb 14none
2024Apr 18Nov 15Jan 17none
2022no dataNov 3no dataNov 10
2021Apr 12Oct 11Apr 2Nov 16
2020Apr 12Oct 21Mar 18Oct 24
2019no dataOct 9no dataOct 27
2018no dataNov 7no dataDec 3
2017Apr 16Oct 10Mar 19Nov 3
2016Mar 17Oct 11Feb 22Dec 6
2015May 3Nov 3Apr 6Nov 15
2014Apr 17Nov 10Mar 21Nov 11
2013May 1Oct 28Mar 24Nov 3
2012May 11Oct 21Apr 6Nov 9
2011Apr 30Oct 25Apr 18Nov 1
2010May 7Oct 16Apr 9Nov 21
2009Apr 25Oct 10Apr 3Oct 10
2008May 11Oct 14Apr 25Nov 22
2007Apr 20Oct 25Apr 2Nov 1
2006May 1Oct 24Apr 16Oct 29
2005Apr 13Oct 26Mar 13Nov 11
2004Apr 2Oct 22Mar 1Nov 19
2003May 18Oct 30Mar 23Oct 31
2002no dataOct 10no dataOct 29
2001Apr 21Sep 27Apr 14Oct 27
2000no dataSep 21no dataOct 4
1999May 10Oct 15May 10Oct 27
1998May 22Oct 18Mar 8Oct 29
1997May 2Oct 21Apr 7Nov 12
1996May 8no dataMar 30no data
1995Apr 18Oct 19Apr 16Oct 30
1994May 3Oct 12Apr 14Oct 29
1993Apr 5Nov 1Mar 28Nov 8
1992Apr 23Sep 16Apr 10Oct 14
1991Apr 30Oct 17Apr 12Oct 28
1990May 8Oct 7Mar 26Nov 26
1989Apr 22Oct 3Apr 4Nov 1
1988May 7Sep 18Apr 26Nov 9
1987May 20Oct 10Mar 30Oct 21
1986May 22Oct 11Apr 29Nov 10
1985May 12Sep 29Apr 21Oct 8
1984May 7Sep 24Apr 26Oct 17
1983Apr 28Sep 29Apr 15Nov 29
1982May 4Oct 5Apr 25Oct 18
1981May 5Oct 4Apr 14Nov 6

"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.