Last Frost Day

Frost history / Westfield Barnes Muni Ap, MA

Westfield Barnes Muni Ap, MA: frost dates by year

Last spring and first fall frost at NOAA station USW00014775, 1951 to 2024, measured from daily minimum temperatures.

Elevation 271 ft, 42.158, -72.716. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 7Oct 11
EarliestApr 24 (2018)Sep 19 (2020)
LatestMay 22 (2002)Nov 3 (2021)
Trend2.2 days earlier per decade2.8 days later per decade
Years with data2728

At 28°F (hard freeze) the median last spring date is Apr 15 and the median first fall date is Oct 23.

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 3019601970198019902000201020201951: May 141999: May 132000: May 162001: May 82002: May 222003: Apr 252004: May 52005: May 132006: May 72007: May 142008: May 52009: May 192010: May 132011: May 62012: Apr 302013: May 152014: Apr 252015: Apr 262016: May 102017: May 42018: Apr 242019: Apr 292020: May 142021: Apr 242022: May 12023: May 182024: Apr 27

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301998: Sep 241999: Oct 62000: Sep 282001: Oct 82002: Oct 142003: Oct 32004: Oct 62005: Oct 212006: Oct 132007: Oct 132008: Oct 72009: Oct 112010: Oct 102011: Oct 272012: Oct 122013: Oct 232014: Oct 62015: Oct 172016: Oct 112017: Oct 172018: Oct 182019: Oct 52020: Sep 192021: Nov 32022: Oct 92023: Oct 242024: 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 27Oct 15Apr 25Oct 17
2023May 18Oct 24Apr 10Nov 1
2022May 1Oct 9Apr 18Oct 30
2021Apr 24Nov 3Apr 4Nov 4
2020May 14Sep 19Apr 19Oct 30
2019Apr 29Oct 5Apr 11Nov 2
2018Apr 24Oct 18Apr 23Oct 21
2017May 4Oct 17Mar 30Nov 8
2016May 10Oct 11Apr 15Oct 26
2015Apr 26Oct 17Apr 6Oct 18
2014Apr 25Oct 6Apr 18Nov 13
2013May 15Oct 23Apr 7Oct 25
2012Apr 30Oct 12Apr 30Oct 13
2011May 6Oct 27Apr 22Oct 28
2010May 13Oct 10May 11Nov 1
2009May 19Oct 11Apr 13Oct 14
2008May 5Oct 7May 1Oct 19
2007May 14Oct 13Apr 11Oct 29
2006May 7Oct 13Apr 11Oct 14
2005May 13Oct 21May 13Oct 28
2004May 5Oct 6Apr 10Nov 4
2003Apr 25Oct 3Apr 14Oct 20
2002May 22Oct 14May 20Oct 15
2001May 8Oct 8May 8Oct 9
2000May 16Sep 28Apr 14Sep 29
1999May 13Oct 6Apr 25Oct 7
1998no dataSep 24no dataOct 7
1951May 14Sep 30Apr 7Sep 30

"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.