Last Frost Day

Frost history / Birmingham Ap, AL

Birmingham Ap, AL: frost dates by year

Last spring and first fall frost at NOAA station USW00013876, 1951 to 2024, measured from daily minimum temperatures.

Elevation 615 ft, 33.566, -86.745. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 29Nov 7
EarliestFeb 13 (2011)Oct 19 (2022)
LatestApr 23 (1986)Dec 2 (2004)
Trend1.7 days earlier per decade1.7 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Mar 11 and the median first fall date is Nov 17.

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)

Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201951: Mar 221952: Apr 71953: Apr 211954: Mar 171955: Mar 301956: Mar 251957: Mar 101958: Apr 81959: Apr 141960: Apr 101961: Mar 101962: Apr 161963: Mar 221964: Mar 311965: Mar 221966: Apr 101967: Mar 181968: Mar 251969: Mar 311970: Apr 31971: Apr 81972: Apr 51973: Apr 111974: Mar 221975: Apr 61976: Feb 231977: Mar 231978: Mar 281979: Mar 261980: Mar 221981: Mar 251982: Apr 71983: Apr 211984: Apr 51985: Apr 21986: Apr 231987: Apr 61988: Mar 171989: Apr 121990: Apr 81991: Mar 311992: Apr 51993: Apr 221994: Apr 11995: Mar 101996: Apr 101997: Apr 181998: Mar 221999: Mar 272000: Apr 92001: Mar 272002: Mar 232003: Mar 312004: Mar 222005: Mar 92006: Mar 262007: Apr 82008: Mar 252009: Apr 82010: Mar 72011: Feb 132012: Feb 252013: Mar 282014: Apr 162015: Mar 82016: Feb 272017: Mar 162018: Apr 82019: Apr 12020: Mar 72021: Apr 22022: Mar 132023: Mar 212024: Mar 19

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 21952: Oct 291953: Oct 301954: Oct 301955: Oct 311956: Nov 91957: Oct 261958: Nov 271959: Nov 61960: Nov 71961: Nov 91962: Oct 261963: Nov 21964: Oct 201965: Oct 241966: Nov 21967: Nov 41968: Oct 261969: Nov 41970: Nov 31971: Nov 71972: Nov 171973: Nov 101974: Nov 131975: Nov 141976: Oct 291977: Nov 111978: Dec 11979: Nov 151980: Nov 191981: Nov 121982: Oct 261983: Nov 121984: Nov 121985: Nov 61986: Nov 131987: Oct 211988: Nov 281989: Oct 211990: Oct 261991: Nov 31992: Nov 81993: Oct 311994: Nov 231995: Nov 41996: Nov 31997: Nov 151998: Nov 61999: Nov 32000: Nov 142001: Oct 272002: Nov 222003: Nov 142004: Dec 22005: Nov 172006: Nov 202007: Nov 72008: Oct 292009: Nov 272010: Nov 62011: Nov 112012: Nov 132013: Nov 122014: Nov 22015: Nov 222016: Nov 202017: Nov 192018: Nov 102019: Nov 12020: Nov 302021: Nov 232022: Oct 192023: Nov 12024: Nov 29

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
2024Mar 19Nov 29Feb 19Nov 30
2023Mar 21Nov 1Mar 20Nov 29
2022Mar 13Oct 19Mar 13Nov 14
2021Apr 2Nov 23Feb 20none
2020Mar 7Nov 30Feb 22Dec 1
2019Apr 1Nov 1Mar 6Nov 12
2018Apr 8Nov 10Jan 25Nov 27
2017Mar 16Nov 19Mar 16Dec 9
2016Feb 27Nov 20Feb 10Dec 9
2015Mar 8Nov 22Mar 7Nov 23
2014Apr 16Nov 2Mar 26Nov 14
2013Mar 28Nov 12Mar 27Nov 13
2012Feb 25Nov 13Feb 13Nov 25
2011Feb 13Nov 11Feb 13Dec 1
2010Mar 7Nov 6Mar 6Nov 27
2009Apr 8Nov 27Mar 3Dec 5
2008Mar 25Oct 29Feb 28Nov 18
2007Apr 8Nov 7Mar 5Nov 7
2006Mar 26Nov 20Feb 27Nov 21
2005Mar 9Nov 17Mar 2Nov 17
2004Mar 22Dec 2Feb 18Dec 14
2003Mar 31Nov 14Feb 11Nov 25
2002Mar 23Nov 22Mar 23Nov 23
2001Mar 27Oct 27Mar 27Oct 28
2000Apr 9Nov 14Feb 6Nov 20
1999Mar 27Nov 3Mar 4Nov 30
1998Mar 22Nov 6Mar 22Dec 16
1997Apr 18Nov 15Feb 16Nov 16
1996Apr 10Nov 3Mar 22Nov 27
1995Mar 10Nov 4Mar 10Nov 12
1994Apr 1Nov 23Mar 11Nov 24
1993Apr 22Oct 31Mar 15Nov 1
1992Apr 5Nov 8Apr 3Nov 30
1991Mar 31Nov 3Feb 27Nov 4
1990Apr 8Oct 26Mar 21Nov 30
1989Apr 12Oct 21Feb 25Nov 17
1988Mar 17Nov 28Mar 17Dec 2
1987Apr 6Oct 21Apr 1Oct 22
1986Apr 23Nov 13Mar 23Nov 13
1985Apr 2Nov 6Mar 18Dec 2
1984Apr 5Nov 12Mar 11Nov 13
1983Apr 21Nov 12Apr 20Nov 12
1982Apr 7Oct 26Mar 8Nov 5
1981Mar 25Nov 12Mar 12Nov 21
1980Mar 22Nov 19Mar 3Nov 20
1979Mar 26Nov 15Mar 26Nov 29
1978Mar 28Dec 1Mar 18Dec 9
1977Mar 23Nov 11Feb 21Nov 13
1976Feb 23Oct 29Feb 23Nov 5
1975Apr 6Nov 14Mar 5Nov 15
1974Mar 22Nov 13Feb 27Nov 15
1973Apr 11Nov 10Apr 11Nov 10
1972Apr 5Nov 17Mar 6Nov 23
1971Apr 8Nov 7Mar 27Nov 7
1970Apr 3Nov 3Mar 16Nov 16
1969Mar 31Nov 4Mar 27Nov 14
1968Mar 25Oct 26Mar 24Nov 12
1967Mar 18Nov 4Mar 18Nov 5
1966Apr 10Nov 2Mar 25Nov 3
1965Mar 22Oct 24Mar 22Oct 25
1964Mar 31Oct 20Mar 30Nov 21
1963Mar 22Nov 2Feb 27Nov 3
1962Apr 16Oct 26Mar 6Dec 6
1961Mar 10Nov 9Feb 10Nov 29
1960Apr 10Nov 7Mar 23Nov 30
1959Apr 14Nov 6Mar 8Nov 7
1958Apr 8Nov 27Feb 21Nov 29
1957Mar 10Oct 26Mar 10Oct 27
1956Mar 25Nov 9Mar 21Nov 10
1955Mar 30Oct 31Mar 30Nov 4
1954Mar 17Oct 30Mar 16Nov 2
1953Apr 21Oct 30Feb 18Nov 9
1952Apr 7Oct 29Mar 17Oct 29
1951Mar 22Nov 2Mar 16Nov 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.