Last Frost Day

Frost history / Plainfield, VT

Plainfield, VT: frost dates by year

Last spring and first fall frost at NOAA station USC00436391, 2000 to 2025, measured from daily minimum temperatures.

Elevation 800 ft, 44.276, -72.415. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 20Sep 25
EarliestApr 28 (2024)Sep 2 (2017)
LatestJun 7 (2015)Oct 31 (2023)
Trend5.8 days earlier per decade3.0 days later per decade
Years with data2425

At 28°F (hard freeze) the median last spring date is May 9 and the median first fall date is Oct 8.

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 142000201020202000: May 202001: Jun 12002: Jun 42004: May 312006: May 252007: May 222008: May 112009: May 262010: May 172011: May 102012: May 182013: May 282014: May 192015: Jun 72016: May 172017: May 212018: May 182019: May 142020: Jun 12021: May 142022: May 102023: May 262024: Apr 282025: May 12

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 112000201020202000: Sep 52001: Sep 152002: Oct 82003: Oct 72004: Oct 42005: Oct 12006: Sep 272007: Oct 132008: Oct 72009: Sep 212010: Sep 212011: Sep 172012: Sep 172013: Sep 92015: Sep 262016: Sep 252017: Sep 22018: Sep 92019: Sep 192020: Sep 152021: Oct 232022: Oct 32023: Oct 312024: Oct 172025: Sep 20

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
2025May 12Sep 20May 1Sep 20
2024Apr 28Oct 17Apr 27Oct 18
2023May 26Oct 31May 19Nov 1
2022May 10Oct 3May 9Oct 3
2021May 14Oct 23May 7Oct 23
2020Jun 1Sep 15May 14Sep 19
2019May 14Sep 19May 9Oct 5
2018May 18Sep 9May 12Oct 15
2017May 21Sep 2May 4Oct 2
2016May 17Sep 25May 17Oct 11
2015Jun 7Sep 26May 23Oct 3
2014May 19no dataMay 8no data
2013May 28Sep 9May 15Oct 21
2012May 18Sep 17May 12Oct 13
2011May 10Sep 17May 1Oct 6
2010May 17Sep 21May 13Oct 10
2009May 26Sep 21May 19Sep 27
2008May 11Oct 7May 1Oct 7
2007May 22Oct 13May 8Oct 29
2006May 25Sep 27May 9Oct 8
2005no dataOct 1no dataOct 21
2004May 31Oct 4May 8Oct 6
2003no dataOct 7no dataOct 7
2002Jun 4Oct 8May 20Oct 9
2001Jun 1Sep 15May 6Oct 9
2000May 20Sep 5May 3Sep 29

"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 1991–2020 frost probabilities.