Last Frost Day

Frost history / Emmons, NY

Emmons, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00305113, 1984 to 2021, measured from daily minimum temperatures.

Elevation 1,225 ft, 42.469, -75.011. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Oct 4
EarliestApr 26 (1991)Sep 18 (1990)
LatestJun 4 (1986)Oct 26 (2007)
Trend1.0 days earlier per decade3.9 days later per decade
Years with data3837

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

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 1419902000201020201984: May 181985: May 101986: Jun 41987: May 161988: May 121989: May 51990: May 131991: Apr 261992: May 81993: May 301994: May 281995: May 101996: May 261997: May 281998: Apr 301999: May 142000: May 172001: Jun 12002: May 242003: May 52004: May 72005: May 142006: May 82007: May 222008: May 302009: Jun 12010: May 122011: May 12012: May 182013: May 152014: May 202015: May 242016: May 112017: May 122018: May 22019: Apr 302020: May 152021: May 14

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119902000201020201984: Sep 271986: Oct 71987: Sep 261988: Oct 71989: Sep 251990: Sep 181991: Sep 221992: Sep 241993: Sep 201994: Oct 31995: Sep 291996: Oct 41997: Sep 221998: Sep 241999: Oct 62000: Sep 292001: Oct 82002: Oct 152003: Oct 32004: Oct 52005: Oct 212006: Sep 302007: Oct 262008: Oct 72009: Sep 202010: Oct 102011: Oct 62012: Oct 92013: Oct 232014: Oct 52015: Oct 112016: Sep 262017: Oct 22018: Oct 182019: Oct 52020: Sep 192021: Oct 23

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
2021May 14Oct 23Apr 24Nov 3
2020May 15Sep 19May 15Oct 18
2019Apr 30Oct 5Apr 30Nov 2
2018May 2Oct 18Apr 24Oct 18
2017May 12Oct 2Apr 15Nov 8
2016May 11Sep 26May 11Oct 12
2015May 24Oct 11Apr 27Oct 18
2014May 20Oct 5Apr 26Nov 3
2013May 15Oct 23May 15Oct 29
2012May 18Oct 9May 1Oct 13
2011May 1Oct 6Apr 23Oct 28
2010May 12Oct 10May 12Nov 1
2009Jun 1Sep 20May 20Oct 12
2008May 30Oct 7May 2Oct 7
2007May 22Oct 26Apr 20Oct 29
2006May 8Sep 30May 7Oct 16
2005May 14Oct 21May 14Nov 3
2004May 7Oct 5Apr 25Oct 29
2003May 5Oct 3Apr 26Oct 20
2002May 24Oct 15May 23Oct 15
2001Jun 1Oct 8May 1Oct 9
2000May 17Sep 29Apr 27Sep 29
1999May 14Oct 6Apr 30Oct 7
1998Apr 30Sep 24Apr 30Oct 31
1997May 28Sep 22May 9Oct 2
1996May 26Oct 4May 15Oct 4
1995May 10Sep 29May 7Oct 31
1994May 28Oct 3May 14Oct 3
1993May 30Sep 20Apr 29Sep 20
1992May 8Sep 24Apr 30Oct 5
1991Apr 26Sep 22Apr 5Sep 30
1990May 13Sep 18May 12Oct 27
1989May 5Sep 25Apr 29Sep 28
1988May 12Oct 7Apr 27Oct 9
1987May 16Sep 26May 8Oct 13
1986Jun 4Oct 7Apr 25Oct 10
1985May 10no dataMay 10no data
1984May 18Sep 27May 18Oct 6

"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.