Last Frost Day

Frost history / Essex Junction 1 N, VT

Essex Junction 1 N, VT: frost dates by year

Last spring and first fall frost at NOAA station USC00432843, 1985 to 2013, measured from daily minimum temperatures.

Elevation 340 ft, 44.508, -73.115. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Oct 4
EarliestApr 22 (2011)Sep 19 (1995)
LatestJun 3 (1986)Oct 24 (2013)
Trend2.9 days earlier per decade4.2 days later per decade
Years with data2829

At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 13.

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)

Apr 15Apr 30May 15May 30Jun 141990200020101986: Jun 31987: May 191988: May 121989: Apr 291990: May 241991: May 191992: May 251993: May 141994: May 281995: May 81996: May 141997: May 81998: Apr 281999: May 132000: May 202001: May 152002: May 252003: May 242004: May 82005: May 132006: May 72007: May 62008: May 282009: Jun 12010: May 132011: Apr 222012: May 62013: May 14

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111990200020101985: Oct 121986: Oct 71987: Sep 271988: Sep 291989: Sep 281990: Oct 201991: Sep 221992: Sep 241993: Sep 201994: Oct 11995: Sep 191996: Oct 41997: Sep 221998: Oct 41999: Oct 62000: Sep 292001: Oct 92002: Oct 92003: Oct 32004: Oct 62005: Oct 212006: Oct 62007: Oct 132008: Sep 232009: Oct 122010: Oct 32011: Oct 62012: Oct 132013: Oct 24

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
2013May 14Oct 24Apr 22Oct 29
2012May 6Oct 13Apr 30Oct 13
2011Apr 22Oct 6Apr 22Oct 28
2010May 13Oct 3May 11Oct 19
2009Jun 1Oct 12Apr 20Oct 12
2008May 28Sep 23Apr 30Oct 18
2007May 6Oct 13May 4Oct 29
2006May 7Oct 6Apr 29Oct 22
2005May 13Oct 21May 13Oct 21
2004May 8Oct 6May 8Oct 20
2003May 24Oct 3Apr 25Oct 19
2002May 25Oct 9May 4Oct 15
2001May 15Oct 9Apr 30Oct 9
2000May 20Sep 29Apr 26Sep 29
1999May 13Oct 6May 13Oct 8
1998Apr 28Oct 4Apr 27Oct 6
1997May 8Sep 22May 8Oct 2
1996May 14Oct 4May 7Oct 4
1995May 8Sep 19May 7Nov 5
1994May 28Oct 1May 14Oct 12
1993May 14Sep 20Apr 28Oct 1
1992May 25Sep 24May 25Sep 24
1991May 19Sep 22Apr 14Sep 30
1990May 24Oct 20Apr 19Oct 20
1989Apr 29Sep 28Apr 29Oct 10
1988May 12Sep 29Apr 23Oct 14
1987May 19Sep 27May 16Oct 9
1986Jun 3Oct 7May 4Oct 11
1985no dataOct 12no dataOct 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.