Last Frost Day

Frost history / Fremont Ag Stn, OH

Fremont Ag Stn, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00332976, 1997 to 2011, measured from daily minimum temperatures.

Elevation 664 ft, 41.312, -83.172. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 29Oct 7
EarliestApr 3 (2011)Sep 21 (2006)
LatestMay 23 (2006)Nov 1 (2010)
Trend7.8 days earlier per decade13.3 days later per decade
Years with data1515

At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 19.

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 30200020101997: May 21998: Apr 281999: Apr 302000: Apr 262001: Apr 292002: May 42003: Apr 272004: May 42005: May 172006: May 232007: Apr 212008: Apr 302009: Apr 172010: Apr 282011: Apr 3

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11200020101997: Oct 151998: Oct 21999: Sep 222000: Oct 72001: Oct 72002: Oct 82003: Oct 22004: Oct 32005: Oct 172006: Sep 212007: Oct 282008: Oct 102009: Oct 12010: Nov 12011: Oct 28

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
2011Apr 3Oct 28Apr 3Nov 5
2010Apr 28Nov 1Mar 27Nov 1
2009Apr 17Oct 1Apr 12Oct 18
2008Apr 30Oct 10Apr 15Oct 29
2007Apr 21Oct 28Apr 20Nov 2
2006May 23Sep 21Apr 28Oct 7
2005May 17Oct 17May 4Oct 27
2004May 4Oct 3May 4Oct 3
2003Apr 27Oct 2Apr 27Oct 2
2002May 4Oct 8Apr 7Oct 14
2001Apr 29Oct 7Apr 19Oct 8
2000Apr 26Oct 7Apr 13Oct 31
1999Apr 30Sep 22Apr 25Oct 5
1998Apr 28Oct 2Apr 28Oct 23
1997May 2Oct 15Apr 23Oct 19

"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.