Last Frost Day

Frost history / Rhinebeck 4SE, NY

Rhinebeck 4SE, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00307035, 1990 to 2012, measured from daily minimum temperatures.

Elevation 301 ft, 41.885, -73.869. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 30Sep 22
EarliestMay 11 (1991)Sep 3 (1994)
LatestJun 12 (1994)Oct 4 (2008)
Trend6.7 days earlier per decade4.0 days later per decade
Years with data1211

At 28°F (hard freeze) the median last spring date is May 12 and the median first fall date is Oct 4.

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 30May 15May 30Jun 14Jun 291990200020101991: May 111993: Jun 21994: Jun 121996: May 311998: Jun 51999: Jun 42004: May 302005: May 192007: May 142008: May 292010: May 112012: May 19

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 121990200020101990: Sep 181992: Sep 251993: Sep 121994: Sep 31996: Oct 42004: Oct 42007: Sep 172008: Oct 42009: Sep 262010: Sep 222011: Sep 20

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
2012May 19no dataMay 1no data
2011no dataSep 20no dataOct 28
2010May 11Sep 22May 11Oct 11
2009no dataSep 26no dataSep 27
2008May 29Oct 4May 2Oct 4
2007May 14Sep 17May 14Oct 28
2005May 19no dataMay 13no data
2004May 30Oct 4Apr 12Oct 4
1999Jun 4no dataMay 14no data
1998Jun 5no dataMay 14no data
1996May 31Oct 4May 14Oct 4
1994Jun 12Sep 3May 29Sep 11
1993Jun 2Sep 12Apr 28Sep 20
1992no dataSep 25no dataSep 25
1991May 11no dataApr 13no data
1990no dataSep 18no dataSep 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 1991–2020 frost probabilities.