Last Frost Day

Frost history / Barbourville, KY

Barbourville, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00150381, 1951 to 2025, measured from daily minimum temperatures.

Elevation 990 ft, 36.883, -83.882. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 21Oct 20
EarliestMar 26 (1981)Oct 3 (1952)
LatestMay 27 (1961)Nov 13 (1986)
Trend1.1 days earlier per decade0.6 days later per decade
Years with data5560

At 28°F (hard freeze) the median last spring date is Apr 8 and the median first fall date is Oct 29.

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 30Jun 1419601970198019902000201020201951: Apr 181952: Apr 171955: Apr 91956: Apr 251957: May 61958: Apr 141960: May 141961: May 271962: Apr 211963: May 21965: Apr 141966: May 111968: Apr 171969: Apr 251970: Apr 111971: May 51972: Apr 281973: May 51974: May 71975: Apr 141976: May 51977: May 101978: May 31979: Apr 171980: Apr 191981: Mar 261982: Apr 241983: May 91986: May 51987: Apr 111989: May 81990: Apr 191991: Apr 31992: Apr 301994: Apr 241995: Apr 61996: Apr 171997: Apr 191999: Apr 142000: May 142001: Apr 192002: May 232003: Apr 12005: May 42006: Apr 112007: Apr 182008: May 12010: Apr 192011: Apr 72012: Apr 252013: Apr 212014: Apr 182023: Apr 262024: Apr 232025: Apr 14

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Nov 31952: Oct 31954: Oct 191955: Oct 251956: Oct 111957: Oct 211958: Oct 131959: Oct 191960: Oct 211961: Oct 151962: Oct 241963: Oct 291964: Oct 61965: Oct 51966: Oct 211967: Oct 201968: Oct 51969: Oct 181971: Nov 41972: Oct 201973: Nov 61974: Oct 31975: Oct 311976: Oct 181977: Oct 171979: Oct 141980: Oct 131981: Oct 201982: Oct 261983: Oct 281985: Nov 81986: Nov 131987: Oct 41989: Nov 41990: Oct 261991: Oct 71992: Oct 191994: Oct 271995: Oct 171996: Oct 201997: Oct 231998: Oct 231999: Oct 252000: Oct 92001: Oct 82002: Nov 22003: Oct 32004: Oct 172005: Oct 272006: Oct 132007: Oct 292008: Oct 192010: Oct 222011: Oct 232012: Nov 32013: Oct 242016: Nov 112022: Oct 92024: Oct 182025: Oct 23

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 14Oct 23Apr 10Nov 11
2024Apr 23Oct 18Mar 18Nov 30
2023Apr 26no dataMar 20no data
2022no dataOct 9no dataOct 20
2016no dataNov 11no dataNov 11
2014Apr 18no dataApr 17no data
2013Apr 21Oct 24Apr 3Oct 26
2012Apr 25Nov 3Apr 13Nov 3
2011Apr 7Oct 23Apr 6Nov 1
2010Apr 19Oct 22Mar 28Oct 31
2008May 1Oct 19Apr 17Oct 29
2007Apr 18Oct 29Apr 14Oct 29
2006Apr 11Oct 13Mar 27Oct 14
2005May 4Oct 27Mar 20Oct 28
2004no dataOct 17no dataNov 9
2003Apr 1Oct 3Apr 1Nov 14
2002May 23Nov 2Apr 8Nov 2
2001Apr 19Oct 8Mar 30Oct 18
2000May 14Oct 9Apr 10Oct 9
1999Apr 14Oct 25Mar 23Oct 25
1998no dataOct 23no dataOct 23
1997Apr 19Oct 23Apr 16Oct 23
1996Apr 17Oct 20Apr 11Nov 3
1995Apr 6Oct 17Apr 6Nov 4
1994Apr 24Oct 27Apr 9Oct 27
1992Apr 30Oct 19Apr 7Oct 20
1991Apr 3Oct 7Mar 31Nov 3
1990Apr 19Oct 26Apr 19Oct 26
1989May 8Nov 4Apr 14Nov 4
1987Apr 11Oct 4Apr 5Oct 4
1986May 5Nov 13Apr 25Nov 14
1985no dataNov 8no dataDec 2
1983May 9Oct 28Apr 21Nov 14
1982Apr 24Oct 26Apr 8Nov 6
1981Mar 26Oct 20Mar 26Oct 24
1980Apr 19Oct 13Mar 23Oct 31
1979Apr 17Oct 14Apr 7Nov 4
1978May 3no dataMar 19no data
1977May 10Oct 17Apr 10Nov 12
1976May 5Oct 18Apr 14Oct 18
1975Apr 14Oct 31Apr 8Nov 15
1974May 7Oct 3Mar 25Oct 3
1973May 5Nov 6Apr 15Nov 6
1972Apr 28Oct 20Apr 10Oct 20
1971May 5Nov 4Apr 4Nov 5
1970Apr 11no dataApr 8no data
1969Apr 25Oct 18Apr 2Oct 18
1968Apr 17Oct 5Mar 27Oct 27
1967no dataOct 20no dataOct 23
1966May 11Oct 21May 10Oct 31
1965Apr 14Oct 5Mar 22Oct 25
1964no dataOct 6no dataOct 11
1963May 2Oct 29May 2Oct 29
1962Apr 21Oct 24Apr 21Oct 24
1961May 27Oct 15Apr 11Oct 27
1960May 14Oct 21Apr 11Oct 25
1959no dataOct 19no dataNov 3
1958Apr 14Oct 13Apr 13Oct 30
1957May 6Oct 21Apr 15Oct 28
1956Apr 25Oct 11Apr 25Nov 10
1955Apr 9Oct 25Apr 8Oct 25
1954no dataOct 19no dataOct 31
1952Apr 17Oct 3Apr 8Oct 17
1951Apr 18Nov 3Apr 18Nov 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.