Last Frost Day

Frost history / Lancaster, OH

Lancaster, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00334403, 1997 to 2025, measured from daily minimum temperatures.

Elevation 827 ft, 39.716, -82.607. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 25Oct 21
EarliestApr 2 (2019)Oct 3 (2003)
LatestMay 22 (2002)Nov 10 (2016)
Trend0.8 days earlier per decade2.4 days later per decade
Years with data2424

At 28°F (hard freeze) the median last spring date is Apr 8 and the median first fall date is Nov 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)

Mar 16Mar 31Apr 15Apr 30May 15May 302000201020201998: Apr 121999: Apr 252000: Apr 132002: May 222003: Apr 72004: Apr 282005: May 52006: May 132009: Apr 132010: Apr 302012: Apr 122013: Apr 282014: Apr 162015: Apr 282016: May 162017: Apr 82018: Apr 302019: Apr 22020: May 122021: Apr 232022: Apr 202023: Apr 252024: Apr 252025: Apr 17

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 262000201020201997: Oct 211998: Oct 231999: Oct 212001: Oct 72002: Nov 22003: Oct 32005: Oct 282008: Oct 202009: Oct 192010: Oct 232011: Oct 222012: Oct 92013: Oct 252014: Oct 232015: Oct 172016: Nov 102017: Oct 262018: Oct 182019: Nov 12020: Oct 172021: Nov 32022: Oct 92024: Oct 162025: Nov 6

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
2025Apr 17Nov 6Apr 17Nov 6
2024Apr 25Oct 16Apr 25Oct 17
2023Apr 25no dataMar 30no data
2022Apr 20Oct 9Apr 2Nov 17
2021Apr 23Nov 3Apr 3Nov 3
2020May 12Oct 17Apr 22Oct 31
2019Apr 2Nov 1Apr 2Nov 2
2018Apr 30Oct 18Apr 20Nov 8
2017Apr 8Oct 26Mar 23Nov 8
2016May 16Nov 10Apr 10Nov 13
2015Apr 28Oct 17Apr 26Oct 17
2014Apr 16Oct 23Apr 16Oct 26
2013Apr 28Oct 25Apr 7Nov 12
2012Apr 12Oct 9Apr 12Nov 6
2011no dataOct 22no dataOct 30
2010Apr 30Oct 23Apr 30Nov 2
2009Apr 13Oct 19Apr 13Nov 6
2008no dataOct 20no dataOct 20
2006May 13no dataApr 10no data
2005May 5Oct 28Mar 17Oct 29
2004Apr 28no dataApr 6no data
2003Apr 7Oct 3Mar 31Oct 24
2002May 22Nov 2Apr 7Nov 26
2001no dataOct 7no dataNov 6
2000Apr 13no dataApr 9no data
1999Apr 25Oct 21Mar 29Nov 17
1998Apr 12Oct 23Mar 17Nov 12
1997no dataOct 21no dataOct 22

"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.