Last Frost Day

Frost history / Summerville 4W, SC

Summerville 4W, SC: frost dates by year

Last spring and first fall frost at NOAA station USC00388426, 1951 to 2025, measured from daily minimum temperatures.

Elevation 65 ft, 33.037, -80.233. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 23Nov 10
EarliestFeb 12 (1951)Oct 14 (1988)
LatestApr 24 (1986)Dec 13 (1982)
Trend0.7 days earlier per decade1.4 days later per decade
Years with data5351

At 28°F (hard freeze) the median last spring date is Mar 5 and the median first fall date is Nov 23.

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: Feb 121952: Mar 171953: Feb 191954: Mar 171955: Mar 301956: Mar 231957: Mar 101958: Mar 231959: Mar 91960: Apr 111961: Mar 111962: Apr 161963: Mar 241964: Mar 311965: Mar 231966: Apr 111967: Mar 191968: Mar 251969: Mar 281970: Mar 171971: Apr 81972: Apr 101973: Apr 121974: Apr 71975: Apr 71976: Apr 101977: Apr 71978: Apr 221979: Mar 271980: Mar 241981: Mar 211983: Apr 201984: Mar 121985: Mar 211986: Apr 241987: Apr 21988: Mar 201989: Mar 101990: Mar 211991: Mar 121992: Mar 221993: Mar 201994: Mar 131995: Mar 101996: Apr 121997: Mar 192007: Apr 82011: Mar 142013: Mar 302022: Mar 152023: Mar 222024: Feb 202025: Mar 3

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619601970198019902000201020201951: Nov 81952: Oct 301953: Nov 81954: Nov 11955: Nov 51956: Nov 101957: Oct 291958: Nov 301959: Nov 191960: Nov 81961: Nov 101962: Oct 251963: Oct 311964: Dec 11965: Oct 261966: Oct 301967: Oct 291968: Nov 111969: Nov 61970: Nov 161971: Nov 111972: Nov 181973: Nov 71974: Oct 201975: Nov 151976: Oct 291977: Nov 111978: Oct 161980: Oct 261981: Nov 141982: Dec 131983: Nov 181984: Nov 131985: Dec 41986: Nov 141987: Oct 291988: Oct 141989: Oct 221990: Nov 191991: Nov 121992: Nov 161993: Oct 311994: Nov 231995: Nov 111996: Nov 41997: Nov 172003: Nov 132012: Nov 92022: Nov 182023: Nov 292025: 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 3Nov 10Feb 22Nov 10
2024Feb 20no dataJan 23no data
2023Mar 22Nov 29Jan 16Dec 20
2022Mar 15Nov 18Mar 14Dec 24
2013Mar 30no dataMar 5no data
2012no dataNov 9no dataDec 23
2011Mar 14no dataFeb 15no data
2007Apr 8no dataApr 8no data
2003no dataNov 13no dataNov 29
1997Mar 19Nov 17Feb 13Nov 18
1996Apr 12Nov 4Mar 24Nov 28
1995Mar 10Nov 11Feb 8Dec 11
1994Mar 13Nov 23Feb 3none
1993Mar 20Oct 31Mar 20Dec 11
1992Mar 22Nov 16Feb 9Dec 5
1991Mar 12Nov 12Feb 18Nov 25
1990Mar 21Nov 19Feb 27Dec 6
1989Mar 10Oct 22Feb 26Nov 30
1988Mar 20Oct 14Mar 17Dec 3
1987Apr 2Oct 29Feb 12Nov 12
1986Apr 24Nov 14Mar 23none
1985Mar 21Dec 4Mar 19Dec 7
1984Mar 12Nov 13Mar 10Dec 7
1983Apr 20Nov 18Apr 20Dec 8
1982no dataDec 13no dataDec 13
1981Mar 21Nov 14Mar 17Nov 22
1980Mar 24Oct 26Mar 4Nov 13
1979Mar 27no dataFeb 20no data
1978Apr 22Oct 16Mar 6Dec 11
1977Apr 7Nov 11Mar 1Nov 14
1976Apr 10Oct 29Apr 10Oct 29
1975Apr 7Nov 15Mar 5Nov 15
1974Apr 7Oct 20Feb 28Oct 23
1973Apr 12Nov 7Feb 24Nov 11
1972Apr 10Nov 18Apr 10Nov 23
1971Apr 8Nov 11Mar 9Nov 22
1970Mar 17Nov 16Mar 17Nov 17
1969Mar 28Nov 6Mar 15Nov 15
1968Mar 25Nov 11Mar 25Nov 14
1967Mar 19Oct 29Mar 19Nov 7
1966Apr 11Oct 30Mar 10Nov 4
1965Mar 23Oct 26Mar 23Nov 18
1964Mar 31Dec 1Mar 31Dec 1
1963Mar 24Oct 31Mar 1Nov 3
1962Apr 16Oct 25Feb 11Dec 7
1961Mar 11Nov 10Feb 11Nov 22
1960Apr 11Nov 8Mar 22Nov 8
1959Mar 9Nov 19Feb 22Nov 19
1958Mar 23Nov 30Feb 23Dec 12
1957Mar 10Oct 29Feb 18Dec 1
1956Mar 23Nov 10Mar 22Nov 23
1955Mar 30Nov 5Mar 27Nov 29
1954Mar 17Nov 1Mar 17Nov 3
1953Feb 19Nov 8Jan 13Nov 27
1952Mar 17Oct 30Feb 2Oct 30
1951Feb 12Nov 8Feb 12Nov 18

"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.