Last Frost Day

Frost history / Lima Allen Co Ap, OH

Lima Allen Co Ap, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00004850, 1998 to 2024, measured from daily minimum temperatures.

Elevation 975 ft, 40.708, -84.027. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 22
EarliestApr 2 (2019)Sep 22 (1999)
LatestMay 19 (2002)Nov 12 (2016)
Trend0.5 days earlier per decade6.9 days later per decade
Years with data2627

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Nov 3.

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 302000201020201999: Apr 252000: Apr 132001: Apr 292002: May 192003: Apr 232004: May 42005: May 42006: Apr 262007: Apr 152008: Apr 302009: Apr 122010: Apr 282011: Apr 32012: Apr 272013: Apr 262014: Apr 162015: Apr 282016: Apr 142017: May 82018: Apr 292019: Apr 22020: May 122021: May 102022: Apr 272023: Apr 192024: Apr 25

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 262000201020201998: Oct 221999: Sep 222000: Oct 72001: Oct 72002: Oct 142003: Oct 22004: Nov 82005: Oct 272006: Oct 122007: Oct 282008: Oct 192009: Oct 12010: Oct 222011: Oct 282012: Oct 82013: Oct 222014: Nov 12015: Oct 172016: Nov 122017: Oct 252018: Oct 182019: Nov 12020: Oct 312021: Oct 272022: Oct 142023: Oct 232024: Oct 27

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 27Mar 28Nov 29
2023Apr 19Oct 23Mar 30Oct 31
2022Apr 27Oct 14Apr 2Nov 18
2021May 10Oct 27Apr 22Nov 3
2020May 12Oct 31Apr 22Nov 2
2019Apr 2Nov 1Apr 1Nov 7
2018Apr 29Oct 18Apr 18Nov 10
2017May 8Oct 25Mar 23Nov 9
2016Apr 14Nov 12Apr 10Nov 12
2015Apr 28Oct 17Apr 24Nov 22
2014Apr 16Nov 1Apr 16Nov 2
2013Apr 26Oct 22Apr 3Nov 12
2012Apr 27Oct 8Mar 10Nov 5
2011Apr 3Oct 28Apr 3Oct 30
2010Apr 28Oct 22Mar 30Nov 2
2009Apr 12Oct 1Mar 21Oct 18
2008Apr 30Oct 19Apr 2Oct 30
2007Apr 15Oct 28Apr 10Nov 23
2006Apr 26Oct 12Apr 9Oct 25
2005May 4Oct 27Mar 18Oct 29
2004May 4Nov 8Apr 5Nov 9
2003Apr 23Oct 2Apr 23Nov 7
2002May 19Oct 14Apr 7Oct 14
2001Apr 29Oct 7Apr 18Oct 28
2000Apr 13Oct 7Apr 9Oct 30
1999Apr 25Sep 22Mar 28Nov 3
1998no dataOct 22no dataNov 4

"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.