Last Frost Day

Frost history / Batavia, NY

Batavia, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00300443, 1951 to 2025, measured from daily minimum temperatures.

Elevation 913 ft, 43.030, -78.168. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 1Oct 14
EarliestApr 14 (2009)Sep 13 (1964)
LatestJun 9 (1983)Nov 3 (2021)
Trend1.7 days earlier per decade2.3 days later per decade
Years with data7270

At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 31.

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)

Mar 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201951: May 131952: May 31953: Apr 291954: May 91956: May 241957: May 171958: May 241959: May 161960: Apr 281961: May 21962: May 101963: May 231964: Apr 161965: Apr 281966: May 111967: May 231968: May 71969: May 11970: May 71971: Apr 271972: Apr 281973: Apr 291974: May 81975: Apr 281976: May 201977: May 91978: May 41979: May 51980: Apr 241981: May 181982: May 11983: Jun 91984: Apr 221986: May 41987: May 81988: May 41989: May 81990: Apr 181991: Apr 221992: May 61993: Apr 271994: May 31995: Apr 301996: May 121997: May 71998: Apr 281999: Apr 252000: Apr 262001: Apr 292002: Apr 292004: May 62005: May 132006: May 72007: Apr 192008: Apr 302009: Apr 142010: May 102011: Apr 292012: Apr 302013: Apr 232014: Apr 242015: Apr 252016: Apr 282017: Apr 302018: Apr 292019: Apr 292020: May 132021: May 12022: Apr 302023: May 182024: Apr 262025: Apr 17

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 101952: Oct 41953: Oct 81954: Oct 71955: Oct 251956: Oct 101957: Sep 271958: Oct 21959: Sep 171960: Oct 261961: Oct 231962: Oct 251963: Sep 231964: Sep 131965: Sep 271966: Oct 181967: Oct 201968: Oct 301969: Oct 151970: Oct 171971: Oct 81973: Sep 211974: Sep 231975: Oct 31976: Oct 111977: Oct 141978: Oct 91979: Oct 101980: Sep 271981: Sep 241982: Oct 171983: Oct 191984: Oct 301986: Oct 101987: Oct 41988: Oct 81989: Nov 31990: Oct 201991: Sep 301992: Oct 61993: Sep 301994: Oct 31996: Oct 51997: Oct 181998: Oct 312000: Sep 292001: Oct 82002: Oct 242004: Nov 32005: Oct 282006: Oct 142007: Oct 292008: Oct 192009: Oct 122010: Nov 12011: Oct 282012: Oct 132013: Oct 242014: Oct 122015: Oct 172016: Oct 272017: Oct 272018: Oct 182019: Oct 192020: Oct 312021: Nov 32022: Oct 32023: Oct 232024: Oct 172025: Oct 17

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

"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.