Last Frost Day

Frost history / Cincinnati, OH

Cincinnati, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00013841, 1953 to 2024, measured from daily minimum temperatures.

Elevation 1,056 ft, 39.420, -83.822. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 23Oct 20
EarliestApr 2 (2019)Oct 2 (2003)
LatestMay 22 (2002)Nov 9 (1956)
Trend0.6 days earlier per decade1.1 days earlier per decade
Years with data3538

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 3019601970198019902000201020201954: May 101955: Apr 81956: Apr 231957: May 41958: Apr 301959: Apr 141960: Apr 111966: May 101967: Apr 251999: Apr 252000: Apr 132001: Apr 262002: May 222003: Apr 232004: May 42005: May 42006: Apr 102007: Apr 102008: Apr 152009: Apr 122010: Apr 282011: Apr 32012: Apr 132013: Apr 262014: Apr 162015: Apr 242016: May 162017: Apr 82018: Apr 202019: Apr 22020: May 92021: Apr 232022: Apr 202023: Apr 252024: Apr 22

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201953: Oct 301954: Oct 281955: Oct 241956: Nov 91957: Oct 201958: Nov 61959: Oct 181960: Oct 211965: Oct 251966: Oct 261967: Oct 201998: Oct 221999: Oct 192000: Oct 72001: Oct 72002: Oct 142003: Oct 22004: Oct 52005: Oct 282006: Oct 122007: Oct 292008: Oct 192009: Oct 182010: Oct 162011: Oct 222012: Oct 102013: Oct 252014: Nov 12015: Oct 172016: Nov 52017: Oct 252018: Oct 182019: Oct 182020: Oct 172021: Oct 272022: Oct 82023: Oct 312024: 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 22Oct 17Mar 28Nov 29
2023Apr 25Oct 31Mar 30Nov 25
2022Apr 20Oct 8Apr 2Nov 17
2021Apr 23Oct 27Apr 2Nov 3
2020May 9Oct 17Apr 16Nov 2
2019Apr 2Oct 18Apr 1Nov 6
2018Apr 20Oct 18Apr 10Nov 8
2017Apr 8Oct 25Mar 23Nov 10
2016May 16Nov 5Apr 10Nov 12
2015Apr 24Oct 17Mar 29Oct 18
2014Apr 16Nov 1Apr 16Nov 2
2013Apr 26Oct 25Apr 3Nov 12
2012Apr 13Oct 10Mar 10Nov 3
2011Apr 3Oct 22Mar 29Oct 29
2010Apr 28Oct 16Mar 27Nov 3
2009Apr 12Oct 18Apr 12Nov 27
2008Apr 15Oct 19Apr 15Oct 22
2007Apr 10Oct 29Apr 10Nov 7
2006Apr 10Oct 12Apr 9Oct 25
2005May 4Oct 28Mar 21Oct 29
2004May 4Oct 5Apr 6Nov 8
2003Apr 23Oct 2Apr 6Oct 24
2002May 22Oct 14Apr 7Nov 1
2001Apr 26Oct 7Apr 2Nov 6
2000Apr 13Oct 7Apr 9Oct 30
1999Apr 25Oct 19Mar 30Oct 21
1998no dataOct 22no dataOct 23
1967Apr 25Oct 20Apr 4Nov 5
1966May 10Oct 26May 10Nov 2
1965no dataOct 25no dataOct 29
1960Apr 11Oct 21Apr 10Oct 25
1959Apr 14Oct 18Mar 28Nov 3
1958Apr 30Nov 6Mar 23Nov 7
1957May 4Oct 20Apr 15Nov 6
1956Apr 23Nov 9Apr 19Nov 13
1955Apr 8Oct 24Apr 8Nov 4
1954May 10Oct 28Apr 4Oct 31
1953no dataOct 30no dataNov 5

"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.