Last Frost Day

Frost history / Danville, KY

Danville, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00152040, 1951 to 2019, measured from daily minimum temperatures.

Elevation 900 ft, 37.653, -84.771. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 11Oct 25
EarliestMar 24 (2017)Oct 3 (1974)
LatestMay 11 (1966)Nov 20 (1978)
Trendlittle change (less than half a day per decade)0.5 days later per decade
Years with data5151

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Nov 5.

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 301960197019801990200020101951: Apr 231952: Apr 81953: Apr 201954: Apr 21955: Apr 81956: Apr 251957: May 41958: Apr 11959: Mar 291960: Apr 121961: May 21962: Apr 201963: May 21964: Apr 111965: Apr 41966: May 111967: Apr 51968: Apr 21969: Apr 11970: Apr 61971: Apr 81972: Apr 101973: Apr 151974: Apr 101975: Apr 131976: May 51977: Apr 101978: Mar 271979: Apr 81980: Apr 171981: Apr 211982: Apr 231983: Apr 211984: Apr 71985: Apr 111986: Apr 241989: Apr 121990: Apr 191991: Mar 311992: Apr 61993: Apr 41994: Apr 91995: Apr 62012: Apr 142013: Apr 262014: Apr 172015: Apr 252016: Apr 112017: Mar 242018: May 12019: Apr 2

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Nov 31952: Oct 71953: Oct 311954: Oct 201955: Oct 251956: Nov 91957: Oct 201958: Oct 301959: Oct 281960: Oct 211961: Oct 151962: Oct 241963: Oct 301964: Oct 101965: Oct 251966: Oct 301967: Oct 221968: Oct 51969: Oct 181970: Oct 171971: Nov 71972: Oct 201973: Oct 291974: Oct 31975: Oct 311976: Oct 181977: Nov 111978: Nov 201979: Oct 141980: Oct 261981: Oct 241982: Oct 231983: Nov 51984: Nov 31985: Nov 81988: Oct 131989: Oct 191990: Oct 261991: Nov 31992: Oct 191993: Oct 291994: Oct 292011: Oct 292012: Oct 92013: Oct 252014: Oct 302015: Oct 182016: Nov 102017: Oct 302018: Oct 202019: Nov 1

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
2019Apr 2Nov 1Apr 2Nov 1
2018May 1Oct 20Apr 18Oct 21
2017Mar 24Oct 30Mar 24Nov 10
2016Apr 11Nov 10Apr 4Nov 13
2015Apr 25Oct 18Mar 30Oct 18
2014Apr 17Oct 30Apr 1Nov 1
2013Apr 26Oct 25Apr 4Nov 13
2012Apr 14Oct 9Apr 12Nov 7
2011no dataOct 29no dataOct 29
1995Apr 6no dataApr 6no data
1994Apr 9Oct 29Mar 20Nov 23
1993Apr 4Oct 29Mar 19Nov 3
1992Apr 6Oct 19Apr 4Oct 20
1991Mar 31Nov 3Mar 31Nov 3
1990Apr 19Oct 26Apr 8Nov 8
1989Apr 12Oct 19Apr 12Nov 4
1988no dataOct 13no dataOct 27
1986Apr 24no dataApr 23no data
1985Apr 11Nov 8Apr 11Nov 21
1984Apr 7Nov 3Mar 13Nov 13
1983Apr 21Nov 5Apr 21Nov 25
1982Apr 23Oct 23Apr 8Nov 5
1981Apr 21Oct 24Mar 21Oct 24
1980Apr 17Oct 26Mar 19Oct 30
1979Apr 8Oct 14Mar 27Nov 12
1978Mar 27Nov 20Mar 19Nov 25
1977Apr 10Nov 11Mar 25Nov 12
1976May 5Oct 18Apr 13Oct 18
1975Apr 13Oct 31Apr 8Nov 15
1974Apr 10Oct 3Mar 26Oct 21
1973Apr 15Oct 29Apr 12Nov 6
1972Apr 10Oct 20Apr 10Oct 20
1971Apr 8Nov 7Apr 8Nov 7
1970Apr 6Oct 17Apr 5Nov 17
1969Apr 1Oct 18Apr 1Oct 24
1968Apr 2Oct 5Mar 25Nov 10
1967Apr 5Oct 22Mar 20Nov 5
1966May 11Oct 30May 10Nov 3
1965Apr 4Oct 25Apr 3Oct 29
1964Apr 11Oct 10Apr 2Nov 20
1963May 2Oct 30May 1Nov 3
1962Apr 20Oct 24Apr 16Oct 26
1961May 2Oct 15Apr 9Oct 27
1960Apr 12Oct 21Apr 11Nov 7
1959Mar 29Oct 28Mar 29Nov 7
1958Apr 1Oct 30Mar 23Nov 7
1957May 4Oct 20Apr 15Nov 6
1956Apr 25Nov 9Mar 25Nov 9
1955Apr 8Oct 25Apr 8Nov 4
1954Apr 2Oct 20Apr 1Oct 30
1953Apr 20Oct 31Mar 10Nov 6
1952Apr 8Oct 7Mar 28Oct 21
1951Apr 23Nov 3Apr 17Nov 3

"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.