Last Frost Day

Frost history / E Haven, VT

E Haven, VT: frost dates by year

Last spring and first fall frost at NOAA station USC00432314, 2008 to 2025, measured from daily minimum temperatures.

Elevation 1,000 ft, 44.642, -71.891. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 30Sep 13
EarliestMay 12 (2011)Aug 28 (2025)
LatestJun 20 (2022)Sep 29 (2021)
Trend8.9 days later per decade1.5 days earlier per decade
Years with data1718

At 28°F (hard freeze) the median last spring date is May 12 and the median first fall date is Sep 23.

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 30May 15May 30Jun 14Jun 29201020202008: May 302009: Jun 22010: May 172011: May 122012: May 182014: May 302015: Jun 82016: May 192017: May 222018: May 202019: May 132020: Jun 22021: May 302022: Jun 202023: May 272024: Jun 162025: Jun 3

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12201020202008: Sep 112009: Sep 202010: Sep 212011: Sep 172012: Sep 112013: Sep 62014: Sep 132015: Sep 212016: Sep 162017: Sep 22018: Sep 92019: Sep 132020: Sep 122021: Sep 292022: Sep 172023: Sep 272024: Sep 112025: Aug 28

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
2025Jun 3Aug 28May 2Sep 9
2024Jun 16Sep 11Apr 28Oct 6
2023May 27Sep 27May 27Oct 13
2022Jun 20Sep 17May 10Sep 30
2021May 30Sep 29May 28Oct 23
2020Jun 2Sep 12May 15Sep 15
2019May 13Sep 13May 10Sep 19
2018May 20Sep 9May 12Oct 15
2017May 22Sep 2May 5Oct 1
2016May 19Sep 16May 18Sep 26
2015Jun 8Sep 21May 24Oct 4
2014May 30Sep 13May 9Sep 19
2013no dataSep 6no dataSep 17
2012May 18Sep 11May 12Sep 20
2011May 12Sep 17May 9Oct 6
2010May 17Sep 21May 13Sep 21
2009Jun 2Sep 20May 26Sep 20
2008May 30Sep 11May 28Sep 19

"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.