Last Frost Day

Frost history / Canton 4 Se, NY

Canton 4 Se, NY: frost dates by year

Last spring and first fall frost at NOAA station USW00014743, 1951 to 2016, measured from daily minimum temperatures.

Elevation 448 ft, 44.577, -75.110. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 19Sep 23
EarliestApr 21 (1953)Aug 31 (1965)
LatestJun 10 (1988)Oct 17 (1970)
Trend0.6 days earlier per decade1.0 days later per decade
Years with data6060

At 28°F (hard freeze) the median last spring date is May 3 and the median first fall date is Oct 7.

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 291960197019801990200020101951: May 131952: May 51953: Apr 211954: May 271955: May 101956: May 251957: May 211958: May 141959: May 181960: May 111961: May 301962: May 121963: May 251964: Jun 51965: Jun 41966: May 111967: May 311968: May 271969: May 271970: May 291971: Jun 61973: May 151974: May 201975: Apr 301976: Jun 21977: May 291978: May 41979: May 171980: Jun 91981: May 201982: May 111983: Jun 91984: May 171985: May 291986: Jun 31987: May 191988: Jun 101989: May 81990: May 41991: May 191992: May 251993: May 141994: May 141995: May 81996: May 301997: May 271998: Apr 281999: May 132000: May 202001: May 152002: May 252003: May 42004: May 82006: May 72007: May 192008: May 282009: May 262013: May 152014: May 72016: May 11

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 271960197019801990200020101951: Sep 261952: Sep 271953: Oct 81954: Oct 71955: Sep 231956: Sep 271957: Sep 271958: Oct 21959: Sep 161960: Sep 161961: Sep 171962: Sep 211963: Sep 141964: Sep 131965: Aug 311966: Sep 161967: Sep 21968: Oct 51969: Sep 181970: Oct 171971: Oct 131973: Sep 101974: Sep 231975: Sep 101976: Aug 311977: Oct 71978: Sep 101979: Sep 91980: Sep 241981: Sep 301982: Oct 111983: Sep 141984: Sep 271985: Sep 121986: Sep 171987: Sep 271988: Sep 161989: Sep 271990: Sep 81991: Sep 201992: Sep 121993: Sep 201994: Oct 11995: Sep 191996: Oct 41997: Sep 211998: Oct 31999: Oct 62000: Sep 252001: Oct 82002: Oct 92003: Oct 32006: Sep 112007: Oct 132008: Sep 192009: Oct 22010: Oct 32012: Oct 132013: Sep 172014: Sep 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
2016May 11no dataMay 1no data
2014May 7Sep 19May 7Sep 19
2013May 15Sep 17Apr 27Oct 26
2012no dataOct 13no dataOct 13
2010no dataOct 3no dataOct 13
2009May 26Oct 2Apr 19Oct 15
2008May 28Sep 19Apr 15Oct 7
2007May 19Oct 13May 13Oct 13
2006May 7Sep 11May 7Oct 7
2004May 8no dataMay 8no data
2003May 4Oct 3Apr 25Oct 19
2002May 25Oct 9Apr 24Oct 15
2001May 15Oct 8Apr 29Oct 31
2000May 20Sep 25Apr 14Sep 29
1999May 13Oct 6May 13Oct 7
1998Apr 28Oct 3Apr 27Oct 4
1997May 27Sep 21May 8Sep 24
1996May 30Oct 4Apr 15Oct 4
1995May 8Sep 19May 7Sep 29
1994May 14Oct 1May 14Oct 3
1993May 14Sep 20Apr 28Sep 20
1992May 25Sep 12May 6Sep 24
1991May 19Sep 20Apr 14Sep 30
1990May 4Sep 8Apr 19Oct 20
1989May 8Sep 27Apr 29Sep 27
1988Jun 10Sep 16Apr 27Sep 29
1987May 19Sep 27May 16Sep 27
1986Jun 3Sep 17May 4Oct 7
1985May 29Sep 12May 2Oct 12
1984May 17Sep 27Apr 22Oct 5
1983Jun 9Sep 14May 17Oct 10
1982May 11Oct 11Apr 29Oct 11
1981May 20Sep 30May 18Sep 30
1980Jun 9Sep 24Apr 23Sep 29
1979May 17Sep 9Apr 21Oct 9
1978May 4Sep 10May 4Sep 23
1977May 29Oct 7May 15Oct 7
1976Jun 2Aug 31Apr 24Oct 11
1975Apr 30Sep 10Apr 29Oct 3
1974May 20Sep 23May 5Sep 24
1973May 15Sep 10Apr 14Sep 17
1971Jun 6Oct 13Apr 24Nov 5
1970May 29Oct 17May 7Oct 17
1969May 27Sep 18May 26Oct 15
1968May 27Oct 5May 7Oct 9
1967May 31Sep 2May 23Oct 7
1966May 11Sep 16May 11Oct 18
1965Jun 4Aug 31May 14Sep 27
1964Jun 5Sep 13May 21Sep 29
1963May 25Sep 14May 2Sep 23
1962May 12Sep 21May 12Oct 25
1961May 30Sep 17May 6Oct 16
1960May 11Sep 16Apr 20Sep 16
1959May 18Sep 16May 4Sep 16
1958May 14Oct 2May 6Oct 6
1957May 21Sep 27May 5Oct 11
1956May 25Sep 27May 24Sep 28
1955May 10Sep 23Apr 9Oct 22
1954May 27Oct 7Apr 9Oct 22
1953Apr 21Oct 8Apr 19Oct 8
1952May 5Sep 27May 5Oct 11
1951May 13Sep 26Apr 6Sep 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.