Last Frost Day

Frost history / Wooster Wayne Co Ap, OH

Wooster Wayne Co Ap, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00004842, 1997 to 2024, measured from daily minimum temperatures.

Elevation 1,137 ft, 40.873, -81.887. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 15
EarliestApr 2 (2019)Sep 29 (2000)
LatestMay 26 (2013)Nov 3 (2021)
Trend1.8 days later per decade4.0 days later per decade
Years with data2828

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 31.

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 16Mar 31Apr 15Apr 30May 15May 30Jun 142000201020201997: May 21998: Apr 281999: Apr 262000: Apr 272001: Apr 292002: May 222003: Apr 272004: May 42005: May 52006: May 72007: Apr 102008: Apr 302009: Apr 172010: May 102011: Apr 62012: Apr 292013: May 262014: Apr 242015: May 142016: May 162017: May 92018: Apr 302019: Apr 22020: May 132021: May 132022: Apr 292023: May 182024: Apr 25

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 112000201020201997: Oct 21998: Oct 221999: Oct 72000: Sep 292001: Oct 72002: Oct 142003: Oct 22004: Oct 62005: Oct 232006: Oct 132007: Oct 132008: Oct 192009: Oct 182010: Oct 192011: Oct 222012: Oct 82013: Oct 242014: Oct 122015: Oct 182016: Oct 142017: Oct 12018: Oct 162019: Oct 152020: Oct 172021: Nov 32022: Oct 82023: Oct 222024: Oct 17

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 25Oct 17Apr 7Nov 29
2023May 18Oct 22Apr 19Oct 31
2022Apr 29Oct 8Apr 28Nov 18
2021May 13Nov 3Apr 3Nov 3
2020May 13Oct 17Apr 22Nov 14
2019Apr 2Oct 15Apr 2Nov 6
2018Apr 30Oct 16Apr 29Oct 25
2017May 9Oct 1Mar 23Nov 8
2016May 16Oct 14Apr 13Nov 12
2015May 14Oct 18Apr 24Oct 18
2014Apr 24Oct 12Apr 16Nov 2
2013May 26Oct 24Apr 21Oct 28
2012Apr 29Oct 8Apr 13Oct 13
2011Apr 6Oct 22Apr 3Oct 29
2010May 10Oct 19Apr 19Nov 1
2009Apr 17Oct 18Apr 12Nov 4
2008Apr 30Oct 19Apr 15Oct 19
2007Apr 10Oct 13Apr 10Nov 2
2006May 7Oct 13Apr 26Oct 15
2005May 5Oct 23Mar 22Oct 30
2004May 4Oct 6Apr 28Oct 18
2003Apr 27Oct 2Apr 27Oct 3
2002May 22Oct 14Apr 7Nov 2
2001Apr 29Oct 7Apr 17Oct 8
2000Apr 27Sep 29Apr 13Oct 29
1999Apr 26Oct 7Apr 25Nov 4
1998Apr 28Oct 22Apr 11Nov 3
1997May 2Oct 2Apr 20Oct 21

"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.