Last Frost Day

Frost history / Boonville 4 Ssw, NY

Boonville 4 Ssw, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00300785, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,550 ft, 43.436, -75.370. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Oct 4
EarliestApr 20 (1964)Sep 8 (1952)
LatestJul 4 (1963)Nov 4 (1971)
Trend1.6 days earlier per decade1.4 days later per decade
Years with data7572

At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 12.

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 29Jul 1419601970198019902000201020201951: Jun 81952: May 301953: Jun 31954: May 51955: May 171956: May 251957: May 171958: May 241959: May 171960: May 21961: May 301962: May 91963: Jul 41964: Apr 201965: Apr 281966: May 121967: May 231968: May 71969: May 271970: May 71971: May 51972: Jun 111973: May 181974: May 81975: Apr 291976: May 201977: May 291978: May 51979: May 71980: Jun 91981: May 191982: Apr 291983: May 181984: May 171985: May 91986: Jun 31987: May 161988: Apr 271989: May 91990: May 121991: May 41992: Jun 161993: May 181994: May 141995: May 91996: May 141997: May 221998: Apr 281999: Apr 282000: May 162001: Apr 292002: May 202003: May 42004: May 92005: May 172006: May 72007: May 132008: May 282009: Jun 12010: May 132011: Apr 232012: May 12013: May 152014: May 82015: May 242016: May 172017: May 112018: May 12019: May 152020: May 142021: May 112022: May 92023: May 252024: Apr 272025: Apr 27

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 261952: Sep 81953: Oct 71954: Oct 61955: Oct 21956: Sep 211957: Sep 271958: Oct 21959: Sep 161960: Oct 11961: Oct 51962: Sep 211963: Sep 231964: Sep 161965: Sep 271966: Oct 61967: Oct 71968: Oct 51969: Oct 221970: Oct 161971: Nov 41972: Sep 281973: Sep 211974: Sep 231975: Oct 31976: Sep 291977: Oct 71978: Sep 261979: Sep 201981: Sep 291982: Oct 171983: Oct 101984: Sep 271985: Oct 121986: Oct 71987: Oct 41988: Sep 291989: Sep 241990: Oct 201991: Sep 291992: Sep 241993: Sep 201994: Oct 31995: Sep 241996: Oct 41997: Sep 241998: Oct 41999: Oct 62000: Sep 292001: Oct 72002: Oct 142004: Oct 52006: Oct 132007: Oct 132008: Oct 72009: Oct 122010: Oct 102011: Oct 62012: Oct 132013: Sep 172014: Sep 192015: Oct 32016: Oct 102017: Oct 172018: Oct 142019: Oct 52020: Sep 192021: Oct 232022: Oct 32023: Oct 132024: Oct 152025: Oct 9

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
2025Apr 27Oct 9Apr 21Oct 10
2024Apr 27Oct 15Apr 27Oct 25
2023May 25Oct 13May 18Oct 31
2022May 9Oct 3May 1Oct 9
2021May 11Oct 23May 2Oct 24
2020May 14Sep 19May 14Oct 25
2019May 15Oct 5Apr 29Oct 5
2018May 1Oct 14Apr 23Oct 18
2017May 11Oct 17May 10Oct 17
2016May 17Oct 10Apr 29Oct 25
2015May 24Oct 3May 24Oct 18
2014May 8Sep 19Apr 28Oct 20
2013May 15Sep 17May 14Oct 24
2012May 1Oct 13Apr 30Oct 13
2011Apr 23Oct 6Apr 23Oct 28
2010May 13Oct 10May 11Oct 22
2009Jun 1Oct 12Apr 15Oct 12
2008May 28Oct 7May 1Oct 18
2007May 13Oct 13Apr 17Oct 29
2006May 7Oct 13Apr 29Oct 13
2005May 17no dataMay 13no data
2004May 9Oct 5Apr 29Oct 6
2003May 4no dataApr 25no data
2002May 20Oct 14May 20Oct 22
2001Apr 29Oct 7Apr 28Oct 8
2000May 16Sep 29Apr 26Sep 29
1999Apr 28Oct 6Apr 28Oct 7
1998Apr 28Oct 4Apr 28Nov 4
1997May 22Sep 24Apr 20Oct 17
1996May 14Oct 4Apr 28Oct 4
1995May 9Sep 24Apr 26Oct 30
1994May 14Oct 3Apr 23Oct 11
1993May 18Sep 20Apr 28Oct 1
1992Jun 16Sep 24May 25Sep 24
1991May 4Sep 29Apr 14Sep 30
1990May 12Oct 20Apr 19Oct 20
1989May 9Sep 24Apr 30Sep 27
1988Apr 27Sep 29Apr 22Oct 9
1987May 16Oct 4Apr 28Oct 12
1986Jun 3Oct 7May 4Oct 7
1985May 9Oct 12May 9Oct 28
1984May 17Sep 27Apr 22Oct 6
1983May 18Oct 10Apr 26Oct 16
1982Apr 29Oct 17Apr 28Oct 18
1981May 19Sep 29May 7Oct 11
1980Jun 9no dataApr 24no data
1979May 7Sep 20Apr 19Sep 20
1978May 5Sep 26May 4Sep 26
1977May 29Oct 7May 10Oct 8
1976May 20Sep 29Apr 13Oct 11
1975Apr 29Oct 3Apr 22Oct 3
1974May 8Sep 23May 2Sep 24
1973May 18Sep 21Apr 30Sep 21
1972Jun 11Sep 28Apr 27Oct 1
1971May 5Nov 4Apr 25Nov 5
1970May 7Oct 16May 7Oct 17
1969May 27Oct 22Apr 20Oct 22
1968May 7Oct 5Apr 16Oct 27
1967May 23Oct 7May 23Oct 7
1966May 12Oct 6May 11Oct 18
1965Apr 28Sep 27Apr 25Sep 27
1964Apr 20Sep 16Apr 16Oct 7
1963Jul 4Sep 23May 2Sep 23
1962May 9Sep 21Apr 18Oct 24
1961May 30Oct 5Apr 20Oct 15
1960May 2Oct 1Apr 19Oct 21
1959May 17Sep 16Apr 22Oct 14
1958May 24Oct 2May 10Oct 6
1957May 17Sep 27May 3Oct 25
1956May 25Sep 21May 25Oct 11
1955May 17Oct 2May 17Oct 22
1954May 5Oct 6Apr 9Oct 7
1953Jun 3Oct 7Apr 30Oct 8
1952May 30Sep 8May 5Oct 7
1951Jun 8Sep 26May 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.