Last Frost Day

Frost history / Syracuse Hancock Intl Ap, NY

Syracuse Hancock Intl Ap, NY: frost dates by year

Last spring and first fall frost at NOAA station USW00014771, 1951 to 2024, measured from daily minimum temperatures.

Elevation 413 ft, 43.111, -76.104. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 15
EarliestApr 9 (1954)Sep 23 (1963)
LatestMay 24 (1963)Nov 13 (2014)
Trend0.5 days later per decade1.6 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 15 and the median first fall date is Oct 30.

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 3019601970198019902000201020201951: May 41952: Apr 121953: Apr 211954: Apr 91955: Apr 91956: May 171957: May 171958: May 61959: Apr 221960: Apr 201961: Apr 201962: Apr 171963: May 241964: Apr 251965: Apr 251966: May 111967: May 231968: May 71969: May 61970: May 71971: Apr 181972: Apr 281973: Apr 151974: May 51975: Apr 281976: Apr 131977: Apr 291978: May 41979: Apr 201980: Apr 231981: May 71982: Apr 291983: May 181984: May 31985: May 91986: May 41987: May 81988: Apr 271989: Apr 281990: Apr 191991: Apr 181992: Apr 291993: Apr 281994: Apr 231995: Apr 251996: Apr 281997: Apr 221998: Apr 291999: Apr 252000: Apr 262001: Apr 292002: May 202003: Apr 252004: Apr 162005: May 132006: Apr 292007: Apr 182008: May 12009: May 192010: May 112011: Apr 222012: Apr 302013: Apr 272014: Apr 202015: Apr 252016: Apr 282017: May 102018: May 12019: Apr 292020: May 142021: Apr 222022: May 12023: May 182024: Apr 26

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 131952: Oct 111953: Oct 131954: Oct 81955: Oct 231956: Oct 111957: Oct 121958: Oct 61959: Oct 191960: Oct 241961: Oct 231962: Oct 241963: Sep 231964: Oct 71965: Sep 271966: Oct 181967: Oct 71968: Oct 311969: Oct 161970: Oct 171971: Nov 51972: Oct 101973: Oct 311974: Oct 181975: Oct 301976: Oct 111977: Oct 141978: Oct 161979: Oct 301980: Oct 101981: Oct 101982: Oct 171983: Oct 101984: Oct 51985: Oct 121986: Oct 101987: Oct 111988: Oct 81989: Sep 281990: Oct 261991: Sep 301992: Sep 241993: Sep 301994: Oct 31995: Oct 301996: Oct 41997: Oct 171998: Nov 41999: Oct 72000: Sep 292001: Oct 92002: Oct 152003: Oct 32004: Oct 232005: Nov 122006: Oct 122007: Oct 292008: Oct 72009: Oct 122010: Nov 12011: Oct 272012: Oct 122013: Oct 282014: Nov 132015: Oct 172016: Oct 262017: Oct 172018: Oct 182019: Nov 42020: Oct 172021: Nov 32022: Oct 282023: Nov 22024: Nov 3

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
2024Apr 26Nov 3Mar 25Nov 13
2023May 18Nov 2Apr 9Nov 12
2022May 1Oct 28Apr 18Nov 9
2021Apr 22Nov 3Apr 3Nov 23
2020May 14Oct 17Apr 23Nov 13
2019Apr 29Nov 4Apr 11Nov 8
2018May 1Oct 18Apr 15Nov 12
2017May 10Oct 17Mar 30Nov 7
2016Apr 28Oct 26Apr 14Nov 14
2015Apr 25Oct 17Apr 25Nov 17
2014Apr 20Nov 13Apr 17Nov 15
2013Apr 27Oct 28Apr 6Oct 29
2012Apr 30Oct 12Apr 28Nov 6
2011Apr 22Oct 27Mar 30Oct 30
2010May 11Nov 1Mar 27Nov 3
2009May 19Oct 12Apr 14Oct 19
2008May 1Oct 7May 1Oct 19
2007Apr 18Oct 29Apr 11Nov 3
2006Apr 29Oct 12Apr 9Oct 13
2005May 13Nov 12Apr 13Nov 18
2004Apr 16Oct 23Apr 16Nov 4
2003Apr 25Oct 3Apr 14Nov 8
2002May 20Oct 15Apr 7Oct 25
2001Apr 29Oct 9Apr 20Nov 12
2000Apr 26Sep 29Apr 13Oct 29
1999Apr 25Oct 7Apr 25Oct 19
1998Apr 29Nov 4Apr 12Nov 14
1997Apr 22Oct 17Apr 15Oct 26
1996Apr 28Oct 4Apr 15Oct 5
1995Apr 25Oct 30Apr 17Nov 8
1994Apr 23Oct 3Apr 8Oct 16
1993Apr 28Sep 30Apr 27Oct 13
1992Apr 29Sep 24Apr 15Oct 26
1991Apr 18Sep 30Apr 4Sep 30
1990Apr 19Oct 26Apr 14Oct 27
1989Apr 28Sep 28Apr 24Nov 4
1988Apr 27Oct 8Apr 19Oct 31
1987May 8Oct 11Apr 1Oct 26
1986May 4Oct 10May 4Oct 10
1985May 9Oct 12Apr 17Oct 29
1984May 3Oct 5Apr 22Oct 5
1983May 18Oct 10Apr 22Oct 21
1982Apr 29Oct 17Apr 15Oct 24
1981May 7Oct 10Apr 22Oct 24
1980Apr 23Oct 10Apr 17Oct 10
1979Apr 20Oct 30Apr 11Nov 12
1978May 4Oct 16May 4Oct 17
1977Apr 29Oct 14Apr 29Nov 14
1976Apr 13Oct 11Apr 12Oct 26
1975Apr 28Oct 30Apr 14Oct 31
1974May 5Oct 18Apr 20Oct 20
1973Apr 15Oct 31Apr 15Nov 9
1972Apr 28Oct 10Apr 27Oct 19
1971Apr 18Nov 5Apr 11Nov 8
1970May 7Oct 17May 7Nov 8
1969May 6Oct 16Apr 20Oct 23
1968May 7Oct 31Apr 16Nov 1
1967May 23Oct 7Apr 29Oct 30
1966May 11Oct 18May 10Oct 30
1965Apr 25Sep 27Apr 6Sep 28
1964Apr 25Oct 7Apr 5Oct 7
1963May 24Sep 23Apr 9Nov 24
1962Apr 17Oct 24Apr 17Oct 25
1961Apr 20Oct 23Apr 17Nov 2
1960Apr 20Oct 24Apr 20Nov 7
1959Apr 22Oct 19Apr 14Oct 21
1958May 6Oct 6Apr 9Oct 6
1957May 17Oct 12Apr 15Oct 26
1956May 17Oct 11May 8Oct 12
1955Apr 9Oct 23Apr 8Nov 17
1954Apr 9Oct 8Apr 9Nov 10
1953Apr 21Oct 13Mar 21Oct 14
1952Apr 12Oct 11Apr 12Oct 20
1951May 4Oct 13Mar 27Nov 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.