Last Frost Day

Frost history / Rome Griffiss Airfield, NY

Rome Griffiss Airfield, NY: frost dates by year

Last spring and first fall frost at NOAA station USW00064775, 2007 to 2024, measured from daily minimum temperatures.

Elevation 519 ft, 43.234, -75.412. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 11Oct 12
EarliestApr 26 (2024)Sep 19 (2020)
LatestJun 1 (2009)Oct 29 (2007)
Trend3.9 days earlier per decade2.6 days earlier per decade
Years with data1718

At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Oct 29.

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 14201020202008: May 52009: Jun 12010: May 112011: May 62012: Apr 302013: May 142014: May 72015: May 232016: May 182017: May 112018: May 12019: Apr 292020: May 142021: May 132022: May 92023: May 182024: Apr 26

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11201020202007: Oct 292008: Oct 72009: Oct 122010: Oct 102011: Oct 62012: Oct 122013: Oct 282014: Oct 122015: Oct 182016: Oct 112017: Oct 172018: Oct 182019: Oct 52020: Sep 192021: Oct 242022: Oct 112023: Oct 132024: Oct 15

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 26Oct 15Apr 26Oct 17
2023May 18Oct 13May 18Nov 1
2022May 9Oct 11Apr 30Oct 28
2021May 13Oct 24Apr 23Nov 6
2020May 14Sep 19May 13Oct 30
2019Apr 29Oct 5Apr 29Nov 7
2018May 1Oct 18Apr 23Oct 18
2017May 11Oct 17Apr 14Nov 7
2016May 18Oct 11Apr 28Nov 1
2015May 23Oct 18Apr 25Oct 19
2014May 7Oct 12Apr 25Nov 2
2013May 14Oct 28May 14Oct 28
2012Apr 30Oct 12Apr 30Oct 12
2011May 6Oct 6Apr 22Oct 28
2010May 11Oct 10Apr 14Nov 2
2009Jun 1Oct 12Apr 24Oct 19
2008May 5Oct 7May 1Oct 19
2007no dataOct 29no dataOct 29

"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.