Last Frost Day

Frost history / Calhoun Falls, SC

Calhoun Falls, SC: frost dates by year

Last spring and first fall frost at NOAA station USC00381277, 1951 to 2025, measured from daily minimum temperatures.

Elevation 530 ft, 34.091, -82.588. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 29Nov 7
EarliestMar 6 (2012)Oct 4 (1974)
LatestApr 22 (2021)Dec 6 (1978)
Trend2.2 days earlier per decade1.0 days later per decade
Years with data6769

At 28°F (hard freeze) the median last spring date is Mar 14 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)

Mar 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201951: Apr 51952: Mar 161953: Apr 211954: Mar 221955: Mar 311956: Apr 211957: Apr 101958: Apr 81959: Apr 141960: Apr 111962: Apr 171963: Apr 161964: Apr 11965: Mar 231966: Apr 111967: Mar 201968: Mar 261969: Mar 291970: Apr 31971: Apr 41972: Apr 101973: Apr 121974: Apr 81975: Apr 61976: Apr 101977: Mar 241978: Apr 221979: Mar 271980: Mar 151981: Mar 221984: Mar 311985: Mar 201987: Apr 61988: Mar 181989: Apr 131990: Mar 221991: Mar 121992: Apr 51995: Mar 121997: Mar 171998: Mar 251999: Mar 172000: Mar 152001: Mar 292002: Mar 262003: Mar 312005: Mar 202006: Mar 282007: Apr 102008: Mar 262009: Apr 82010: Mar 82011: Mar 72012: Mar 62013: Mar 302014: Apr 162015: Mar 302016: Mar 232017: Mar 212018: Mar 232019: Mar 282020: Mar 102021: Apr 222022: Apr 112023: Mar 222024: Mar 202025: Mar 7

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 41952: Oct 211953: Nov 71954: Oct 171955: Nov 11956: Nov 101957: Oct 281958: Nov 81959: Nov 81960: Oct 251962: Oct 251963: Oct 311964: Nov 221965: Oct 251966: Nov 31967: Oct 291968: Oct 271969: Nov 51970: Nov 161971: Nov 81972: Nov 171973: Nov 101974: Oct 41975: Nov 11976: Oct 291977: Nov 111978: Dec 61979: Nov 151980: Nov 131983: Nov 121984: Nov 71985: Nov 91986: Nov 141987: Oct 221988: Oct 141989: Nov 171990: Nov 181991: Nov 51992: Nov 161994: Nov 241995: Nov 91997: Oct 281998: Nov 72000: Oct 102001: Oct 282002: Nov 142003: Nov 252004: Nov 102005: Nov 112006: Oct 252007: Oct 302008: Oct 312009: Nov 62010: Nov 72011: Oct 302012: Nov 82013: Oct 262014: Nov 32015: Nov 142016: Nov 212017: Nov 202018: Nov 112019: Nov 42020: Nov 32021: Nov 142022: Oct 212023: Nov 22024: Nov 302025: Nov 11

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 7Nov 11Mar 4Nov 29
2024Mar 20Nov 30Feb 26Nov 30
2023Mar 22Nov 2Mar 22Nov 3
2022Apr 11Oct 21Mar 14Nov 18
2021Apr 22Nov 14Apr 3Nov 25
2020Mar 10Nov 3Mar 8Nov 19
2019Mar 28Nov 4Mar 7Nov 13
2018Mar 23Nov 11Feb 3Nov 28
2017Mar 21Nov 20Mar 17Nov 28
2016Mar 23Nov 21Feb 27Nov 22
2015Mar 30Nov 14Mar 30Nov 23
2014Apr 16Nov 3Mar 28Nov 3
2013Mar 30Oct 26Mar 29Nov 13
2012Mar 6Nov 8Mar 6Nov 29
2011Mar 7Oct 30Feb 12Nov 18
2010Mar 8Nov 7Mar 7Dec 2
2009Apr 8Nov 6Mar 6Dec 6
2008Mar 26Oct 31Mar 25Nov 19
2007Apr 10Oct 30Apr 8Nov 7
2006Mar 28Oct 25Mar 27Nov 4
2005Mar 20Nov 11Mar 5Nov 18
2004no dataNov 10no dataNov 15
2003Mar 31Nov 25Feb 17Dec 21
2002Mar 26Nov 14Mar 24Nov 23
2001Mar 29Oct 28Mar 12Oct 28
2000Mar 15Oct 10Mar 14Nov 15
1999Mar 17no dataMar 13no data
1998Mar 25Nov 7Mar 25Dec 16
1997Mar 17Oct 28Feb 18Nov 17
1995Mar 12Nov 9Mar 10Nov 16
1994no dataNov 24no dataNov 24
1992Apr 5Nov 16Apr 3Nov 17
1991Mar 12Nov 5Feb 17Nov 6
1990Mar 22Nov 18Feb 28Nov 29
1989Apr 13Nov 17Feb 27Nov 24
1988Mar 18Oct 14Mar 17Nov 29
1987Apr 6Oct 22Feb 11Nov 12
1986no dataNov 14no dataNov 14
1985Mar 20Nov 9Mar 19Dec 3
1984Mar 31Nov 7Mar 10Nov 13
1983no dataNov 12no dataNov 14
1981Mar 22no dataMar 20no data
1980Mar 15Nov 13Mar 4Nov 20
1979Mar 27Nov 15Feb 28Nov 30
1978Apr 22Dec 6Mar 18Dec 10
1977Mar 24Nov 11Mar 8Nov 13
1976Apr 10Oct 29Feb 10Oct 29
1975Apr 6Nov 1Mar 10Nov 15
1974Apr 8Oct 4Mar 1Oct 22
1973Apr 12Nov 10Feb 22Nov 10
1972Apr 10Nov 17Mar 7Nov 24
1971Apr 4Nov 8Mar 27Nov 22
1970Apr 3Nov 16Mar 17Nov 17
1969Mar 29Nov 5Mar 15Nov 15
1968Mar 26Oct 27Mar 24Nov 13
1967Mar 20Oct 29Mar 20Nov 7
1966Apr 11Nov 3Mar 29Nov 4
1965Mar 23Oct 25Mar 23Nov 30
1964Apr 1Nov 22Apr 1Nov 22
1963Apr 16Oct 31Mar 24Nov 3
1962Apr 17Oct 25Mar 7Oct 27
1960Apr 11Oct 25Apr 11Nov 8
1959Apr 14Nov 8Mar 19Nov 18
1958Apr 8Nov 8Mar 22Nov 29
1957Apr 10Oct 28Mar 10Oct 28
1956Apr 21Nov 10Mar 25Nov 23
1955Mar 31Nov 1Mar 30Nov 4
1954Mar 22Oct 17Mar 17Oct 31
1953Apr 21Nov 7Feb 19Nov 7
1952Mar 16Oct 21Mar 8Oct 22
1951Apr 5Nov 4Mar 25Nov 8

"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.