Last Frost Day

Frost history / Scottsboro, AL

Scottsboro, AL: frost dates by year

Last spring and first fall frost at NOAA station USC00017304, 1951 to 2025, measured from daily minimum temperatures.

Elevation 615 ft, 34.674, -86.054. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 7Oct 27
EarliestMar 9 (2010)Oct 3 (1974)
LatestMay 4 (1971)Nov 17 (1972)
Trend1.5 days earlier per decade0.9 days later per decade
Years with data6664

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 6.

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 1519601970198019902000201020201951: Apr 171952: Apr 81953: Apr 211954: Apr 11955: Mar 311956: Apr 211957: Apr 151958: Apr 81959: Apr 141960: Apr 121961: Apr 81962: Apr 161963: Apr 151966: Apr 101968: Apr 61969: Mar 311970: Apr 31971: May 41972: Apr 51973: Apr 141974: Mar 251975: Apr 141976: Mar 181977: Apr 61979: Mar 271980: Apr 61981: Mar 261987: Apr 51988: Apr 291989: Apr 121990: Apr 131991: Apr 11992: Apr 41993: Apr 231994: Apr 31995: Mar 131996: Apr 121997: Apr 191998: Apr 121999: Mar 282000: Apr 102001: Apr 192002: Apr 62003: Apr 12004: Mar 232005: Apr 242006: Mar 272007: Apr 92008: Mar 262009: Apr 92010: Mar 92011: Mar 262012: Mar 102013: Mar 282014: Apr 162015: Mar 302016: Mar 232017: Mar 172018: Apr 182019: Apr 12020: Apr 162021: Apr 232022: Apr 102023: Mar 222024: Mar 192025: Apr 10

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Nov 31952: Oct 211953: Oct 301954: Oct 171955: Oct 171956: Nov 101957: Oct 271958: Oct 281959: Nov 71960: Oct 221961: Oct 161962: Oct 241964: Oct 201965: Oct 241968: Oct 51969: Oct 181970: Nov 31971: Nov 41972: Nov 171973: Nov 61974: Oct 31975: Nov 141976: Oct 211977: Oct 141980: Oct 261983: Nov 51985: Nov 71989: Oct 211990: Oct 271991: Oct 71992: Nov 61993: Oct 281994: Nov 21995: Oct 251996: Oct 201997: Oct 231998: Oct 241999: Oct 242000: Oct 92001: Oct 182002: Nov 142003: Nov 142004: Nov 152005: Oct 262006: Oct 152007: Nov 32008: Oct 282009: Oct 192010: Oct 302011: Oct 222012: Oct 312013: Oct 252014: Nov 22015: Nov 142016: Nov 112017: Oct 302018: Nov 102019: Nov 12020: Nov 22021: Nov 72022: Oct 192023: Nov 22024: Oct 172025: 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
2025Apr 10Nov 10Mar 22Nov 10
2024Mar 19Oct 17Feb 26Nov 30
2023Mar 22Nov 2Mar 21Nov 2
2022Apr 10Oct 19Mar 14Oct 20
2021Apr 23Nov 7Apr 3Nov 14
2020Apr 16Nov 2Mar 1Nov 4
2019Apr 1Nov 1Mar 20Nov 2
2018Apr 18Nov 10Mar 16Nov 11
2017Mar 17Oct 30Mar 17Nov 20
2016Mar 23Nov 11Feb 27Nov 21
2015Mar 30Nov 14Mar 30Nov 14
2014Apr 16Nov 2Mar 27Nov 2
2013Mar 28Oct 25Mar 28Oct 26
2012Mar 10Oct 31Mar 6Nov 1
2011Mar 26Oct 22Feb 14Nov 12
2010Mar 9Oct 30Mar 7Nov 7
2009Apr 9Oct 19Mar 5Nov 28
2008Mar 26Oct 28Mar 26Oct 29
2007Apr 9Nov 3Apr 9Nov 7
2006Mar 27Oct 15Mar 27Nov 3
2005Apr 24Oct 26Mar 4Oct 29
2004Mar 23Nov 15Mar 23Dec 2
2003Apr 1Nov 14Mar 31Nov 14
2002Apr 6Nov 14Mar 24Nov 18
2001Apr 19Oct 18Mar 28Oct 28
2000Apr 10Oct 9Mar 14Nov 15
1999Mar 28Oct 24Mar 16Oct 25
1998Apr 12Oct 24Mar 14Nov 7
1997Apr 19Oct 23Mar 17Nov 16
1996Apr 12Oct 20Apr 11Nov 3
1995Mar 13Oct 25Mar 12Nov 5
1994Apr 3Nov 2Apr 3Nov 24
1993Apr 23Oct 28Apr 3Nov 1
1992Apr 4Nov 6Apr 4Nov 14
1991Apr 1Oct 7Mar 10Nov 4
1990Apr 13Oct 27Apr 9Nov 30
1989Apr 12Oct 21Feb 25Oct 21
1988Apr 29no dataMar 19no data
1987Apr 5no dataApr 2no data
1985no dataNov 7no dataDec 2
1983no dataNov 5no dataNov 26
1981Mar 26no dataMar 25no data
1980Apr 6Oct 26Mar 15Nov 6
1979Mar 27no dataMar 26no data
1977Apr 6Oct 14Mar 23Nov 11
1976Mar 18Oct 21Mar 17Oct 22
1975Apr 14Nov 14Apr 13Nov 14
1974Mar 25Oct 3Mar 22Oct 23
1973Apr 14Nov 6Apr 11Nov 10
1972Apr 5Nov 17Mar 26Nov 17
1971May 4Nov 4Apr 3Nov 8
1970Apr 3Nov 3Mar 27Nov 17
1969Mar 31Oct 18Mar 28Nov 5
1968Apr 6Oct 5Mar 25Oct 26
1966Apr 10no dataMar 26no data
1965no dataOct 24no dataOct 24
1964no dataOct 20no dataNov 22
1963Apr 15no dataMar 8no data
1962Apr 16Oct 24Apr 3Oct 25
1961Apr 8Oct 16Feb 27Oct 27
1960Apr 12Oct 22Apr 12Nov 6
1959Apr 14Nov 7Mar 18Nov 7
1958Apr 8Oct 28Apr 8Nov 29
1957Apr 15Oct 27Mar 10Oct 27
1956Apr 21Nov 10Mar 25Nov 10
1955Mar 31Oct 17Mar 30Oct 25
1954Apr 1Oct 17Mar 17Oct 31
1953Apr 21Oct 30Apr 21Nov 6
1952Apr 8Oct 21Apr 7Oct 22
1951Apr 17Nov 3Mar 22Nov 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 1991–2020 frost probabilities.