Last Frost Day

Frost history / Monticello 3 Ne, KY

Monticello 3 Ne, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00155524, 1956 to 2012, measured from daily minimum temperatures.

Elevation 979 ft, 36.867, -84.828. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 20Oct 19
EarliestMar 28 (2010)Oct 3 (1974)
LatestMay 27 (1961)Nov 13 (1986)
Trend2.8 days earlier per decade1.1 days later per decade
Years with data5356

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 141960197019801990200020101957: May 61958: Apr 131959: Apr 231960: May 21961: May 271962: Apr 211963: May 21964: Apr 101965: Apr 31966: May 101967: Apr 281968: May 61969: Apr 251970: Apr 121971: May 41972: Apr 271973: Apr 141974: Apr 251975: Apr 161976: May 41977: Apr 91978: May 21979: Apr 291980: Apr 171981: Apr 61983: Apr 251984: Apr 71986: May 51987: Apr 101988: Apr 211989: May 81990: Apr 191991: Apr 11992: Apr 301993: Apr 231994: Apr 91995: Apr 71996: Apr 281997: May 171998: Apr 121999: Mar 312000: Apr 102001: Apr 202002: May 202003: Apr 12004: Apr 142005: May 42006: Apr 112007: Apr 142008: Apr 162010: Mar 282011: Apr 22012: Apr 13

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101956: Nov 91957: Oct 201958: Oct 121959: Oct 191960: Oct 211961: Oct 41962: Oct 241963: Oct 301964: Oct 61965: Oct 131966: Oct 211967: Oct 131968: Oct 51969: Oct 181970: Oct 171971: Nov 41972: Oct 201973: Oct 171974: Oct 31975: Oct 311976: Oct 181977: Oct 121978: Oct 81979: Oct 141980: Oct 61981: Oct 31982: Oct 171983: Nov 51985: Nov 81986: Nov 131987: Oct 41988: Oct 61989: Oct 91990: Oct 191991: Oct 71992: Oct 191993: Oct 281994: Oct 271995: Oct 251996: Oct 191997: Oct 221998: Oct 231999: Oct 222000: Oct 82001: Oct 72002: Nov 22003: Oct 32004: Nov 92005: Oct 272006: Oct 132007: Oct 292008: Oct 202009: Oct 182010: Oct 302011: Oct 302012: 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
2012Apr 13Nov 1Apr 13Nov 5
2011Apr 2Oct 30Feb 27Nov 11
2010Mar 28Oct 30Mar 28Nov 7
2009no dataOct 18no dataOct 18
2008Apr 16Oct 20Apr 16Oct 30
2007Apr 14Oct 29Apr 14Nov 4
2006Apr 11Oct 13Mar 28Oct 25
2005May 4Oct 27Mar 19Oct 29
2004Apr 14Nov 9Apr 6Nov 26
2003Apr 1Oct 3Apr 1Nov 14
2002May 20Nov 2Apr 8Nov 2
2001Apr 20Oct 7Apr 19Oct 28
2000Apr 10Oct 8Apr 10Oct 8
1999Mar 31Oct 22Mar 29Oct 25
1998Apr 12Oct 23Mar 24Oct 23
1997May 17Oct 22Apr 16Oct 23
1996Apr 28Oct 19Apr 12Nov 3
1995Apr 7Oct 25Apr 6Nov 4
1994Apr 9Oct 27Apr 9Oct 27
1993Apr 23Oct 28Apr 23Oct 28
1992Apr 30Oct 19Apr 6Nov 8
1991Apr 1Oct 7Apr 1Nov 3
1990Apr 19Oct 19Apr 19Oct 26
1989May 8Oct 9Apr 14Nov 4
1988Apr 21Oct 6Apr 21Oct 13
1987Apr 10Oct 4Apr 4Oct 14
1986May 5Nov 13Apr 24Nov 13
1985no dataNov 8no dataNov 8
1984Apr 7no dataMar 31no data
1983Apr 25Nov 5Apr 21Nov 5
1982no dataOct 17no dataOct 23
1981Apr 6Oct 3Mar 25Oct 24
1980Apr 17Oct 6Mar 27Oct 6
1979Apr 29Oct 14Mar 26Oct 14
1978May 2Oct 8Mar 18Nov 25
1977Apr 9Oct 12Mar 24Nov 12
1976May 4Oct 18Apr 13Oct 28
1975Apr 16Oct 31Apr 13Nov 15
1974Apr 25Oct 3Apr 10Oct 3
1973Apr 14Oct 17Apr 14Nov 6
1972Apr 27Oct 20Apr 9Oct 20
1971May 4Nov 4Apr 3Nov 7
1970Apr 12Oct 17Apr 3Nov 17
1969Apr 25Oct 18Apr 1Oct 18
1968May 6Oct 5Mar 25Oct 26
1967Apr 28Oct 13Mar 22Oct 29
1966May 10Oct 21Apr 10Nov 3
1965Apr 3Oct 13Mar 22Oct 25
1964Apr 10Oct 6Apr 10Oct 10
1963May 2Oct 30May 1Oct 30
1962Apr 21Oct 24Apr 20Oct 24
1961May 27Oct 4Apr 16Oct 27
1960May 2Oct 21Apr 11Oct 21
1959Apr 23Oct 19Mar 28Oct 28
1958Apr 13Oct 12Apr 8Oct 30
1957May 6Oct 20Apr 15Oct 27
1956no dataNov 9no dataNov 9

"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.