Last Frost Day

Frost history / Lenoir City, TN

Lenoir City, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00405158, 1962 to 2025, measured from daily minimum temperatures.

Elevation 785 ft, 35.788, -84.262. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 10Oct 30
EarliestMar 6 (2012)Oct 3 (1974)
LatestMay 4 (1971)Nov 30 (2024)
Trend1.9 days earlier per decade2.0 days later per decade
Years with data5657

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 14.

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 1Mar 16Mar 31Apr 15Apr 30May 151970198019902000201020201963: Apr 161964: Apr 111965: Mar 231966: Apr 161967: Mar 231968: Mar 261970: Apr 91971: May 41972: Apr 91973: Apr 141974: Apr 111975: Apr 131976: Apr 131977: Apr 71978: Apr 221979: Apr 71980: Apr 171981: Apr 71982: Apr 241983: Apr 221984: Apr 21985: Apr 101986: Apr 241987: Apr 61988: Apr 201989: Apr 131990: Apr 131991: Mar 311992: Apr 51993: Mar 191994: Apr 11995: Mar 111996: Apr 111997: Apr 141998: Mar 151999: Mar 282000: Apr 92001: Apr 202006: Mar 272007: Apr 112009: Apr 82010: Apr 202011: Apr 182012: Mar 62014: Apr 162015: Apr 52016: Apr 102017: Mar 182018: Apr 182019: Apr 22020: Mar 102021: Apr 232022: Apr 112023: Mar 232024: Mar 202025: Mar 22

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 111970198019902000201020201962: Oct 241963: Oct 301964: Oct 201965: Oct 251966: Nov 31967: Oct 261968: Oct 261970: Nov 171971: Nov 41972: Oct 201973: Nov 61974: Oct 31975: Nov 151976: Oct 181977: Oct 171978: Oct 151979: Oct 141980: Oct 261981: Oct 201982: Oct 261983: Nov 51984: Nov 71985: Nov 81986: Nov 141987: Oct 221988: Oct 131989: Nov 41990: Oct 261991: Nov 31992: Oct 201993: Nov 11994: Nov 231995: Nov 41996: Oct 201997: Oct 231998: Nov 62000: Oct 82001: Oct 282004: Nov 262005: Oct 292006: Oct 152007: Nov 72008: Oct 292012: Nov 12013: Oct 252014: Nov 22015: Nov 142016: Nov 202017: Oct 302018: Nov 102019: Nov 22020: Nov 22021: Nov 62022: Oct 202023: Nov 12024: Nov 302025: Nov 10

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

"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.