Last Frost Day

Frost history / Florence Rgnl Ap, SC

Florence Rgnl Ap, SC: frost dates by year

Last spring and first fall frost at NOAA station USW00013744, 1951 to 2024, measured from daily minimum temperatures.

Elevation 146 ft, 34.185, -79.724. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 21Nov 9
EarliestFeb 10 (1976)Oct 14 (1988)
LatestApr 20 (1983)Dec 4 (1985)
Trend0.8 days earlier per decade0.6 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Mar 6 and the median first fall date is Nov 24.

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 171952: Mar 171953: Mar 271954: Mar 221955: Mar 301956: Mar 251957: Mar 101958: Mar 221959: Mar 191960: Mar 241961: Mar 111962: Apr 161963: Mar 231964: Mar 311965: Mar 221966: Apr 51967: Mar 191968: Mar 251969: Mar 141970: Mar 171971: Mar 271972: Apr 101973: Mar 231974: Feb 271975: Mar 91976: Feb 101977: Mar 11978: Mar 181979: Mar 261980: Mar 41981: Mar 211982: Apr 71983: Apr 201984: Mar 111985: Apr 101986: Mar 231987: Apr 11988: Mar 171989: Apr 121990: Mar 211991: Mar 91992: Apr 31993: Mar 191994: Mar 171995: Mar 111996: Apr 111997: Feb 161998: Mar 131999: Mar 162000: Mar 142001: Mar 282002: Mar 232003: Mar 82004: Mar 242005: Mar 92006: Mar 232007: Apr 102008: Mar 102009: Apr 82010: Mar 82011: Apr 62012: Mar 62013: Mar 292014: Mar 272015: Mar 292016: Feb 272017: Mar 172018: Mar 152019: Mar 72020: Mar 12021: Apr 32022: Mar 282023: Mar 212024: Feb 22

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 41952: Oct 211953: Nov 71954: Nov 11955: Nov 51956: Nov 101957: Oct 281958: Nov 301959: Nov 181960: Nov 81961: Nov 211962: Oct 261963: Nov 31964: Nov 221965: Oct 261966: Nov 31967: Nov 51968: Nov 111969: Nov 151970: Nov 171971: Nov 81972: Nov 231973: Nov 101974: Oct 221975: Nov 151976: Oct 281977: Nov 131978: Dec 21979: Nov 151980: Nov 131981: Nov 81982: Nov 61983: Nov 61984: Nov 71985: Dec 41986: Nov 141987: Nov 71988: Oct 141989: Nov 171990: Dec 11991: Nov 61992: Nov 161993: Nov 111994: Nov 241995: Nov 91996: Nov 41997: Nov 171998: Nov 71999: Nov 42000: Nov 152001: Oct 282002: Nov 192003: Nov 142004: Nov 152005: Nov 112006: Oct 242007: Nov 82008: Oct 292009: Nov 282010: Nov 82011: Oct 302012: Nov 232013: Oct 262014: Nov 32015: Nov 232016: Nov 212017: Nov 202018: Nov 282019: Nov 92020: Nov 32021: Nov 232022: Oct 192023: Nov 32024: Nov 22

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
2024Feb 22Nov 22Feb 19Nov 30
2023Mar 21Nov 3Mar 21Nov 30
2022Mar 28Oct 19Mar 13Dec 19
2021Apr 3Nov 23Mar 8Nov 23
2020Mar 1Nov 3Mar 1Dec 3
2019Mar 7Nov 9Mar 6Nov 13
2018Mar 15Nov 28Mar 15Nov 29
2017Mar 17Nov 20Mar 17Dec 13
2016Feb 27Nov 21Feb 14Dec 9
2015Mar 29Nov 23Mar 7Dec 20
2014Mar 27Nov 3Mar 27Nov 18
2013Mar 29Oct 26Mar 22Nov 13
2012Mar 6Nov 23Feb 13Nov 25
2011Apr 6Oct 30Feb 13Dec 2
2010Mar 8Nov 8Mar 7Dec 2
2009Apr 8Nov 28Mar 5Nov 28
2008Mar 10Oct 29Feb 28Nov 19
2007Apr 10Nov 8Apr 8Nov 17
2006Mar 23Oct 24Mar 4Dec 5
2005Mar 9Nov 11Mar 9Nov 19
2004Mar 24Nov 15Mar 23Dec 15
2003Mar 8Nov 14Feb 19Nov 29
2002Mar 23Nov 19Mar 23Nov 28
2001Mar 28Oct 28Feb 19Dec 21
2000Mar 14Nov 15Feb 6Nov 21
1999Mar 16Nov 4Mar 8Nov 18
1998Mar 13Nov 7Mar 13Dec 18
1997Feb 16Nov 17Feb 12Nov 17
1996Apr 11Nov 4Apr 10Nov 11
1995Mar 11Nov 9Feb 13Nov 16
1994Mar 17Nov 24Feb 28Nov 24
1993Mar 19Nov 11Mar 15Dec 12
1992Apr 3Nov 16Feb 9Nov 17
1991Mar 9Nov 6Feb 27Nov 25
1990Mar 21Dec 1Mar 21Dec 1
1989Apr 12Nov 17Feb 25Nov 24
1988Mar 17Oct 14Mar 17Dec 3
1987Apr 1Nov 7Feb 19Nov 21
1986Mar 23Nov 14Mar 23Nov 14
1985Apr 10Dec 4Feb 17Dec 15
1984Mar 11Nov 7Mar 10Nov 13
1983Apr 20Nov 6Apr 20Dec 8
1982Apr 7Nov 6Mar 28Dec 12
1981Mar 21Nov 8Mar 17Nov 8
1980Mar 4Nov 13Mar 4Dec 18
1979Mar 26Nov 15Feb 20Nov 30
1978Mar 18Dec 2Mar 6Dec 10
1977Mar 1Nov 13Feb 22Nov 26
1976Feb 10Oct 28Feb 8Nov 6
1975Mar 9Nov 15Mar 4Dec 18
1974Feb 27Oct 22Feb 27Nov 27
1973Mar 23Nov 10Feb 22Nov 11
1972Apr 10Nov 23Feb 21Nov 24
1971Mar 27Nov 8Mar 5Nov 22
1970Mar 17Nov 17Feb 27Nov 23
1969Mar 14Nov 15Mar 14Nov 15
1968Mar 25Nov 11Mar 14Nov 14
1967Mar 19Nov 5Mar 19Nov 7
1966Apr 5Nov 3Mar 29Nov 4
1965Mar 22Oct 26Mar 22Oct 30
1964Mar 31Nov 22Mar 31Nov 23
1963Mar 23Nov 3Feb 28Nov 16
1962Apr 16Oct 26Mar 8Oct 27
1961Mar 11Nov 21Feb 11Nov 22
1960Mar 24Nov 8Mar 23Nov 8
1959Mar 19Nov 18Feb 22Nov 18
1958Mar 22Nov 30Feb 21Dec 1
1957Mar 10Oct 28Mar 10Nov 11
1956Mar 25Nov 10Mar 25Nov 23
1955Mar 30Nov 5Mar 27Nov 29
1954Mar 22Nov 1Mar 16Nov 3
1953Mar 27Nov 7Feb 18Nov 29
1952Mar 17Oct 21Feb 1Oct 30
1951Mar 17Nov 4Feb 11Nov 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 to 2020 frost probabilities.