Last Frost Day

Frost history / Jackson Exp Stn, TN

Jackson Exp Stn, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00404561, 1951 to 2025, measured from daily minimum temperatures.

Elevation 400 ft, 35.621, -88.846. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 6Oct 27
EarliestMar 3 (2012)Oct 3 (1974)
LatestApr 23 (2021)Nov 27 (2009)
Trend1.6 days earlier per decade1.8 days later per decade
Years with data7374

At 28°F (hard freeze) the median last spring date is Mar 21 and the median first fall date is Nov 7.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201952: Apr 71953: Apr 211954: Apr 21955: Mar 311956: Apr 191957: Apr 151958: Apr 81959: Apr 141960: Apr 101961: Apr 71962: Apr 161963: Mar 231964: Apr 91965: Mar 281966: Apr 101967: Mar 191968: Apr 61969: Mar 311970: Mar 271971: Apr 81972: Apr 91973: Apr 111974: Apr 91975: Apr 131976: Mar 171977: Apr 61978: Apr 211979: Mar 261980: Mar 221981: Mar 251982: Apr 101983: Apr 201984: Apr 11985: Apr 91986: Apr 231987: Apr 41988: Mar 271989: Apr 111990: Apr 121991: Mar 311992: Apr 31993: Apr 221994: Apr 71995: Apr 11996: Apr 101997: Apr 181998: Mar 221999: Mar 272000: Apr 92001: Apr 182002: Mar 272004: Apr 142005: Mar 142006: Mar 262007: Apr 92008: Apr 152009: Mar 212010: Mar 72011: Mar 262012: Mar 32013: Mar 282014: Apr 162015: Mar 302016: Mar 292017: Mar 172018: Apr 92019: Apr 22020: Apr 152021: Apr 232022: Mar 132023: Mar 212024: Mar 202025: Mar 22

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 21952: Oct 161953: Oct 251954: Oct 211955: Oct 191956: Oct 271957: Oct 271958: Oct 271959: Oct 191960: Oct 211961: Oct 261962: Oct 241963: Oct 291964: Oct 201965: Oct 251966: Oct 261967: Oct 111968: Oct 251969: Oct 281970: Nov 41971: Nov 41972: Nov 161974: Oct 31975: Nov 141976: Oct 211977: Oct 131978: Oct 81979: Oct 141980: Oct 131981: Oct 241982: Oct 231983: Nov 51984: Nov 131985: Nov 51986: Nov 131987: Oct 41988: Nov 171989: Oct 201990: Oct 261991: Oct 71992: Nov 71993: Oct 281994: Oct 271995: Oct 251996: Nov 31997: Oct 281998: Nov 61999: Oct 242000: Oct 82001: Oct 272002: Nov 22003: Nov 142004: Nov 262005: Oct 262006: Oct 132007: Nov 72008: Oct 282009: Nov 272010: Oct 292011: Oct 212012: Nov 12013: Oct 252014: Nov 12015: Nov 142016: Nov 102017: Oct 282018: Nov 102019: Nov 12020: Nov 22021: Nov 42022: Oct 182023: Oct 312024: Nov 232025: Nov 3

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
2025Mar 22Nov 3Mar 21Nov 10
2024Mar 20Nov 23Mar 20Nov 29
2023Mar 21Oct 31Mar 21Nov 1
2022Mar 13Oct 18Mar 13Oct 18
2021Apr 23Nov 4Mar 7Nov 5
2020Apr 15Nov 2Mar 7Nov 2
2019Apr 2Nov 1Mar 8Nov 8
2018Apr 9Nov 10Apr 8Nov 11
2017Mar 17Oct 28Mar 16Nov 20
2016Mar 29Nov 10Mar 22Nov 20
2015Mar 30Nov 14Mar 29Nov 22
2014Apr 16Nov 1Mar 27Nov 2
2013Mar 28Oct 25Mar 28Oct 25
2012Mar 3Nov 1Feb 25Nov 13
2011Mar 26Oct 21Mar 24Nov 11
2010Mar 7Oct 29Mar 7Nov 6
2009Mar 21Nov 27Mar 21Nov 27
2008Apr 15Oct 28Mar 10Oct 29
2007Apr 9Nov 7Apr 8Nov 7
2006Mar 26Oct 13Mar 26Nov 3
2005Mar 14Oct 26Mar 10Nov 17
2004Apr 14Nov 26Mar 10Dec 2
2003no dataNov 14no dataNov 14
2002Mar 27Nov 2Mar 23Nov 17
2001Apr 18Oct 27Mar 27Oct 28
2000Apr 9Oct 8Mar 12Nov 14
1999Mar 27Oct 24Mar 4Nov 30
1998Mar 22Nov 6Mar 13Nov 6
1997Apr 18Oct 28Mar 16Nov 16
1996Apr 10Nov 3Apr 10Nov 3
1995Apr 1Oct 25Mar 10Nov 4
1994Apr 7Oct 27Mar 11Nov 24
1993Apr 22Oct 28Mar 15Nov 1
1992Apr 3Nov 7Apr 3Nov 7
1991Mar 31Oct 7Mar 10Nov 3
1990Apr 12Oct 26Mar 27Nov 30
1989Apr 11Oct 20Apr 11Nov 3
1988Mar 27Nov 17Mar 19Dec 2
1987Apr 4Oct 4Apr 4Oct 22
1986Apr 23Nov 13Mar 22Nov 13
1985Apr 9Nov 5Feb 16Dec 2
1984Apr 1Nov 13Mar 10Nov 13
1983Apr 20Nov 5Mar 25Nov 12
1982Apr 10Oct 23Mar 28Oct 26
1981Mar 25Oct 24Mar 19Oct 24
1980Mar 22Oct 13Mar 14Oct 31
1979Mar 26Oct 14Mar 26Nov 14
1978Apr 21Oct 8Mar 18Dec 5
1977Apr 6Oct 13Apr 6Nov 12
1976Mar 17Oct 21Mar 17Nov 1
1975Apr 13Nov 14Mar 15Nov 14
1974Apr 9Oct 3Mar 25Nov 15
1973Apr 11no dataApr 11no data
1972Apr 9Nov 16Mar 9Nov 23
1971Apr 8Nov 4Mar 27Nov 7
1970Mar 27Nov 4Mar 16Nov 16
1969Mar 31Oct 28Mar 27Oct 28
1968Apr 6Oct 25Mar 25Oct 29
1967Mar 19Oct 11Mar 19Nov 4
1966Apr 10Oct 26Apr 10Nov 3
1965Mar 28Oct 25Mar 27Oct 25
1964Apr 9Oct 20Mar 31Nov 20
1963Mar 23Oct 29Mar 22Oct 30
1962Apr 16Oct 24Apr 3Oct 24
1961Apr 7Oct 26Mar 10Oct 27
1960Apr 10Oct 21Apr 10Nov 7
1959Apr 14Oct 19Mar 23Nov 7
1958Apr 8Oct 27Apr 8Nov 7
1957Apr 15Oct 27Mar 8Oct 28
1956Apr 19Oct 27Mar 25Nov 9
1955Mar 31Oct 19Mar 29Nov 4
1954Apr 2Oct 21Mar 17Oct 30
1953Apr 21Oct 25Apr 19Oct 30
1952Apr 7Oct 16Mar 17Oct 16
1951no dataNov 2no dataNov 2

"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.