Last Frost Day

Frost history / Farmingdale Ap, NY

Farmingdale Ap, NY: frost dates by year

Last spring and first fall frost at NOAA station USW00054787, 1999 to 2024, measured from daily minimum temperatures.

Elevation 81 ft, 40.734, -73.417. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 3Nov 8
EarliestMar 16 (2020)Oct 25 (2003)
LatestApr 18 (2014)Nov 23 (2015)
Trend2.8 days earlier per decade2.0 days later per decade
Years with data2526

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 20.

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 1Mar 16Mar 31Apr 15Apr 302000201020202000: Apr 142001: Mar 292002: Apr 72003: Apr 82004: Apr 62005: Mar 262006: Mar 222007: Apr 112008: Apr 32009: Apr 132010: Mar 272011: Mar 302012: Mar 272013: Apr 42014: Apr 182015: Apr 22016: Apr 102017: Mar 242018: Apr 112019: Apr 22020: Mar 162021: Apr 32022: Mar 302023: Apr 32024: Mar 24

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 112000201020201999: Nov 82000: Nov 192001: Oct 292002: Nov 72003: Oct 252004: Nov 92005: Nov 122006: Nov 42007: Nov 82008: Nov 182009: Nov 72010: Nov 192011: Oct 302012: Nov 62013: Oct 262014: Nov 152015: Nov 232016: Nov 212017: Nov 102018: Nov 112019: Nov 82020: Oct 312021: Nov 172022: Nov 152023: Nov 22024: Nov 14

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
2024Mar 24Nov 14Mar 22Dec 1
2023Apr 3Nov 2Feb 26Nov 25
2022Mar 30Nov 15Mar 29Nov 19
2021Apr 3Nov 17Mar 20Dec 20
2020Mar 16Oct 31Mar 1Nov 19
2019Apr 2Nov 8Apr 2Nov 9
2018Apr 11Nov 11Mar 27Nov 21
2017Mar 24Nov 10Mar 24Nov 10
2016Apr 10Nov 21Apr 6Dec 10
2015Apr 2Nov 23Mar 29none
2014Apr 18Nov 15Mar 27Nov 18
2013Apr 4Oct 26Mar 18Nov 24
2012Mar 27Nov 6Mar 6Nov 6
2011Mar 30Oct 30Mar 28Dec 11
2010Mar 27Nov 19Feb 28Nov 28
2009Apr 13Nov 7Mar 24Dec 11
2008Apr 3Nov 18Apr 3Nov 19
2007Apr 11Nov 8Apr 7Nov 24
2006Mar 22Nov 4Mar 21Dec 5
2005Mar 26Nov 12Mar 17Nov 19
2004Apr 6Nov 9Mar 23Nov 10
2003Apr 8Oct 25Mar 14Nov 10
2002Apr 7Nov 7Mar 23Nov 27
2001Mar 29Oct 29Mar 27Nov 13
2000Apr 14Nov 19Mar 19Nov 20
1999no dataNov 8no dataNov 18

"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.