Last Frost Day

Frost history / Sand Mt Substn, AL

Sand Mt Substn, AL: frost dates by year

Last spring and first fall frost at NOAA station USC00017207, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,190 ft, 34.288, -85.968. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 4Oct 30
EarliestFeb 25 (2012)Oct 2 (1984)
LatestApr 24 (2021)Nov 26 (2004)
Trend1.9 days earlier per decade1.1 days later per decade
Years with data7272

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 10.

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 3019601970198019902000201020201951: Apr 101952: Apr 71953: Apr 211954: Mar 221955: Mar 301956: Mar 251957: Apr 101958: Apr 81959: Apr 141960: Apr 111961: Apr 111962: Apr 161963: Mar 261964: Apr 101965: Mar 221966: Apr 101967: Mar 231968: Apr 61969: Mar 311970: Apr 31971: Apr 71972: Apr 51973: Apr 111974: Apr 71975: Apr 71976: Mar 181977: Apr 61978: Apr 221979: Mar 271981: Mar 251982: Apr 71983: Apr 211984: Apr 11985: Apr 101986: Apr 231987: Apr 61988: Mar 201989: Apr 131990: Apr 121991: Mar 311992: Apr 51993: Apr 41994: Apr 11995: Mar 111996: Apr 111997: Apr 141998: Mar 221999: Mar 272000: Apr 92001: Mar 282002: Apr 62003: Apr 12004: Mar 232006: Mar 262007: Apr 102008: Mar 262009: Apr 82010: Mar 232011: Feb 262012: Feb 252013: Mar 282014: Apr 172015: Mar 302016: Mar 222017: Mar 172018: Apr 92019: Apr 22020: Mar 72021: Apr 242022: Mar 212023: Mar 212025: Mar 22

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 31952: Oct 211953: Nov 61954: Oct 301955: Oct 251956: Nov 91957: Oct 271958: Oct 291959: Nov 71960: Nov 41961: Oct 271962: Oct 241963: Oct 301964: Oct 71965: Oct 251966: Nov 21967: Oct 281968: Oct 261969: Oct 181970: Nov 31971: Nov 41972: Oct 261973: Nov 61974: Oct 31975: Nov 141976: Oct 221977: Nov 111978: Oct 151979: Nov 41980: Oct 311981: Oct 201983: Nov 51984: Oct 21985: Nov 61986: Nov 131987: Oct 41988: Oct 131989: Oct 201990: Oct 291991: Nov 31992: Nov 61993: Oct 281994: Nov 241995: Nov 41996: Oct 201997: Oct 231998: Nov 61999: Oct 242001: Oct 282002: Nov 182003: Nov 142004: Nov 262005: Oct 262006: Oct 212007: Nov 72008: Oct 292009: Oct 192010: Nov 62011: Oct 302012: Nov 12013: Oct 252014: Nov 22015: Nov 222016: Nov 202017: Oct 302018: Nov 102019: Nov 12020: Nov 32021: Nov 142022: Oct 202024: Oct 182025: 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 22Nov 10
2024no dataOct 18no dataNov 30
2023Mar 21no dataMar 21no data
2022Mar 21Oct 20Mar 14Nov 14
2021Apr 24Nov 14Apr 3Nov 23
2020Mar 7Nov 3Feb 23Dec 1
2019Apr 2Nov 1Mar 8Nov 9
2018Apr 9Nov 10Mar 10Nov 11
2017Mar 17Oct 30Mar 17Nov 20
2016Mar 22Nov 20Feb 27Nov 21
2015Mar 30Nov 22Mar 29Nov 23
2014Apr 17Nov 2Mar 27Nov 2
2013Mar 28Oct 25Mar 27Oct 26
2012Feb 25Nov 1Feb 20Nov 25
2011Feb 26Oct 30Feb 13Nov 11
2010Mar 23Nov 6Mar 7Nov 7
2009Apr 8Oct 19Mar 4Nov 27
2008Mar 26Oct 29Mar 25Nov 18
2007Apr 10Nov 7Apr 8Nov 7
2006Mar 26Oct 21Mar 26Nov 13
2005no dataOct 26no dataNov 17
2004Mar 23Nov 26Mar 23Dec 2
2003Apr 1Nov 14Mar 31Nov 25
2002Apr 6Nov 18Mar 23Nov 23
2001Mar 28Oct 28Mar 27Oct 28
2000Apr 9no dataMar 14no data
1999Mar 27Oct 24Mar 12Dec 1
1998Mar 22Nov 6Mar 14Nov 6
1997Apr 14Oct 23Mar 16Nov 16
1996Apr 11Oct 20Mar 23Nov 3
1995Mar 11Nov 4Mar 10Nov 9
1994Apr 1Nov 24Apr 1Nov 24
1993Apr 4Oct 28Mar 16Nov 1
1992Apr 5Nov 6Apr 3Nov 7
1991Mar 31Nov 3Feb 27Nov 4
1990Apr 12Oct 29Apr 8Nov 30
1989Apr 13Oct 20Apr 12Nov 4
1988Mar 20Oct 13Mar 18Nov 29
1987Apr 6Oct 4Apr 4Oct 22
1986Apr 23Nov 13Mar 23Nov 14
1985Apr 10Nov 6Feb 28Nov 8
1984Apr 1Oct 2Mar 11Nov 7
1983Apr 21Nov 5Apr 21Nov 12
1982Apr 7no dataApr 7no data
1981Mar 25Oct 20Mar 20Oct 20
1980no dataOct 31no dataNov 19
1979Mar 27Nov 4Mar 26Nov 4
1978Apr 22Oct 15Mar 18Dec 5
1977Apr 6Nov 11Mar 23Nov 12
1976Mar 18Oct 22Mar 17Oct 29
1975Apr 7Nov 14Mar 31Nov 14
1974Apr 7Oct 3Mar 22Oct 3
1973Apr 11Nov 6Apr 11Nov 10
1972Apr 5Oct 26Apr 2Nov 24
1971Apr 7Nov 4Mar 27Nov 8
1970Apr 3Nov 3Mar 16Nov 17
1969Mar 31Oct 18Mar 27Nov 4
1968Apr 6Oct 26Mar 25Oct 26
1967Mar 23Oct 28Mar 18Nov 5
1966Apr 10Nov 2Mar 29Nov 2
1965Mar 22Oct 25Mar 21Oct 25
1964Apr 10Oct 7Mar 31Nov 21
1963Mar 26Oct 30Mar 26Oct 30
1962Apr 16Oct 24Mar 18Oct 26
1961Apr 11Oct 27Feb 26Oct 27
1960Apr 11Nov 4Apr 10Nov 11
1959Apr 14Nov 7Mar 18Nov 7
1958Apr 8Oct 29Apr 8Nov 27
1957Apr 10Oct 27Mar 10Oct 28
1956Mar 25Nov 9Mar 25Nov 18
1955Mar 30Oct 25Mar 28Nov 4
1954Mar 22Oct 30Mar 16Oct 30
1953Apr 21Nov 6Apr 21Nov 9
1952Apr 7Oct 21Mar 17Oct 21
1951Apr 10Nov 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 to 2020 frost probabilities.