Last Frost Day

Frost history / Woodstock, VT

Woodstock, VT: frost dates by year

Last spring and first fall frost at NOAA station USC00439984, 1951 to 2025, measured from daily minimum temperatures.

Elevation 600 ft, 43.630, -72.507. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 20Sep 27
EarliestApr 27 (2024)Aug 29 (1982)
LatestJun 12 (1980)Oct 31 (2023)
Trend2.7 days earlier per decade3.3 days later per decade
Years with data5858

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 14Jun 2919601970198019902000201020201951: Jun 81953: Jun 31954: May 271955: May 201956: May 291957: May 191958: Jun 71959: May 251960: May 31961: May 311962: May 131963: May 251966: May 311967: Jun 11968: May 281969: May 271970: May 291971: Jun 111972: Jun 121973: Jun 31974: May 211975: Jun 101976: May 231977: Jun 91980: Jun 121981: May 201982: May 61983: Jun 91984: May 181985: May 301986: Jun 31987: May 161999: May 142000: May 162001: May 152003: May 192004: May 82005: May 132006: May 82007: May 142008: May 22009: Jun 12010: May 132011: May 62012: May 122013: May 272014: May 82015: May 232016: May 112017: May 42018: May 132019: May 92020: Jun 22021: May 72022: May 192023: May 272024: Apr 272025: May 13

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Sep 281953: Sep 231955: Sep 221956: Sep 101957: Sep 271958: Sep 291959: Sep 161960: Sep 171961: Oct 51962: Sep 71965: Aug 301966: Sep 161967: Sep 111968: Sep 301969: Sep 191970: Oct 61971: Sep 251972: Sep 111973: Sep 171974: Sep 231975: Sep 141976: Aug 311977: Sep 121980: Sep 251981: Sep 301982: Aug 291983: Sep 141984: Sep 71985: Sep 121986: Sep 151998: Sep 241999: Oct 72000: Sep 292001: Sep 302002: Oct 82003: Oct 32004: Oct 52005: Oct 212006: Oct 72007: Oct 132008: Oct 72009: Oct 112011: Oct 62012: Oct 132013: Oct 92014: Sep 192015: Oct 52016: Sep 252017: Oct 132018: Oct 142019: Oct 52020: Sep 192021: Oct 242022: Sep 302023: Oct 312024: Oct 132025: 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 13Sep 20Apr 21Oct 10
2024Apr 27Oct 13Apr 27Oct 17
2023May 27Oct 31May 18Oct 31
2022May 19Sep 30Apr 30Oct 19
2021May 7Oct 24Apr 27Oct 24
2020Jun 2Sep 19May 14Sep 19
2019May 9Oct 5Apr 29Oct 5
2018May 13Oct 14Apr 24Oct 18
2017May 4Oct 13Apr 16Oct 17
2016May 11Sep 25Apr 29Oct 11
2015May 23Oct 5Apr 17Oct 18
2014May 8Sep 19Apr 25Oct 20
2013May 27Oct 9May 15Oct 24
2012May 12Oct 13Apr 30Oct 13
2011May 6Oct 6Apr 22Oct 28
2010May 13no dataMay 11no data
2009Jun 1Oct 11Apr 21Oct 12
2008May 2Oct 7May 1Oct 8
2007May 14Oct 13May 3Oct 29
2006May 8Oct 7Apr 30Oct 14
2005May 13Oct 21May 13Oct 21
2004May 8Oct 5May 8Oct 6
2003May 19Oct 3May 4Oct 7
2002no dataOct 8no dataOct 15
2001May 15Sep 30Apr 30Oct 9
2000May 16Sep 29May 3Sep 29
1999May 14Oct 7Apr 29Oct 8
1998no dataSep 24no dataOct 5
1987May 16no dataMay 16no data
1986Jun 3Sep 15May 12Oct 7
1985May 30Sep 12May 9Oct 12
1984May 18Sep 7May 18Sep 27
1983Jun 9Sep 14May 19Oct 10
1982May 6Aug 29May 5Oct 11
1981May 20Sep 30May 19Sep 30
1980Jun 12Sep 25Apr 22Sep 29
1977Jun 9Sep 12May 15Oct 7
1976May 23Aug 31May 13Oct 11
1975Jun 10Sep 14May 9Sep 15
1974May 21Sep 23May 20Sep 24
1973Jun 3Sep 17May 8Sep 21
1972Jun 12Sep 11May 13Sep 23
1971Jun 11Sep 25May 24Sep 25
1970May 29Oct 6Apr 26Oct 17
1969May 27Sep 19May 27Oct 15
1968May 28Sep 30May 27Oct 6
1967Jun 1Sep 11May 17Oct 7
1966May 31Sep 16May 14Sep 27
1965no dataAug 30no dataSep 28
1963May 25no dataMay 13no data
1962May 13Sep 7May 12Sep 21
1961May 31Oct 5May 31Oct 16
1960May 3Sep 17May 3Oct 5
1959May 25Sep 16May 18Oct 15
1958Jun 7Sep 29May 14Oct 2
1957May 19Sep 27May 17Sep 27
1956May 29Sep 10May 26Sep 21
1955May 20Sep 22Apr 12Sep 23
1954May 27no dataMay 14no data
1953Jun 3Sep 23Apr 18Sep 23
1952no dataSep 28no dataOct 9
1951Jun 8Sep 30May 14Sep 30

"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.