Last Frost Day

Frost history / Jamestown 4 Ene, NY

Jamestown 4 Ene, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00304207, 1961 to 2025, measured from daily minimum temperatures.

Elevation 1,250 ft, 42.110, -79.159. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Oct 11
EarliestApr 18 (2025)Aug 29 (1982)
LatestJun 12 (1980)Nov 5 (2021)
Trend2.9 days earlier per decade4.4 days later per decade
Years with data4039

At 28°F (hard freeze) the median last spring date is May 1 and the median first fall date is Oct 25.

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 14Jun 291970198019902000201020201961: May 301962: May 101975: May 141976: May 141977: Jun 91978: May 121979: May 181980: Jun 121981: May 211982: May 111989: May 281990: May 121991: May 51995: May 31996: May 312000: May 172001: May 312002: May 232003: May 222004: May 72005: May 192006: May 242007: May 142008: May 292009: May 202011: Apr 222012: May 12013: May 262014: May 62015: May 242016: May 162017: May 92018: May 12019: Apr 302020: May 142021: May 132022: May 12023: May 192024: Apr 272025: Apr 18

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111970198019902000201020201961: Sep 181974: Sep 241975: Oct 31976: Sep 241977: Oct 141979: Sep 231981: Sep 241982: Aug 291988: Oct 271989: Sep 251991: Sep 221992: Oct 191993: Oct 11995: Oct 171999: Sep 222000: Sep 292002: Oct 142003: Oct 32004: Oct 52005: Oct 202006: Oct 132007: Oct 292008: Oct 42009: Oct 122011: Oct 62012: Oct 92013: Oct 242014: Oct 112015: Oct 182016: Oct 112017: Oct 172018: Oct 192019: Oct 132020: Sep 192021: Nov 52022: Oct 162023: Oct 242024: Oct 112025: 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 18Oct 9Apr 18Oct 27
2024Apr 27Oct 11Apr 23Oct 25
2023May 19Oct 24May 18Nov 12
2022May 1Oct 16Apr 30Oct 29
2021May 13Nov 5Apr 24Nov 6
2020May 14Sep 19May 13Oct 17
2019Apr 30Oct 13Apr 29Nov 8
2018May 1Oct 19May 1Nov 10
2017May 9Oct 17Apr 9Nov 8
2016May 16Oct 11Apr 15Oct 26
2015May 24Oct 18Apr 26Oct 19
2014May 6Oct 11Apr 25Nov 3
2013May 26Oct 24May 14Nov 4
2012May 1Oct 9Apr 30Oct 13
2011Apr 22Oct 6Apr 6Oct 28
2009May 20Oct 12May 19Oct 19
2008May 29Oct 4May 1Oct 8
2007May 14Oct 29Apr 15Oct 29
2006May 24Oct 13May 7Oct 16
2005May 19Oct 20May 6Oct 30
2004May 7Oct 5May 4Nov 9
2003May 22Oct 3Apr 25Nov 9
2002May 23Oct 14May 5Oct 24
2001May 31no dataApr 30no data
2000May 17Sep 29Apr 26Oct 23
1999no dataSep 22no dataOct 7
1996May 31no dataMay 14no data
1995May 3Oct 17Apr 17Nov 4
1993no dataOct 1no dataNov 1
1992no dataOct 19no dataOct 20
1991May 5Sep 22Apr 3Oct 14
1990May 12no dataApr 20no data
1989May 28Sep 25May 7Oct 23
1988no dataOct 27no dataOct 27
1982May 11Aug 29May 4Oct 18
1981May 21Sep 24May 20Oct 9
1980Jun 12no dataMay 10no data
1979May 18Sep 23May 3Nov 5
1978May 12no dataMay 5no data
1977Jun 9Oct 14May 3Oct 14
1976May 14Sep 24May 14Sep 25
1975May 14Oct 3Apr 29Oct 3
1974no dataSep 24no dataSep 24
1962May 10no dataMay 10no data
1961May 30Sep 18May 5Oct 23

"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.