Last Frost Day

Frost history / Ft Smith Rgnl Ap, AR

Ft Smith Rgnl Ap, AR: frost dates by year

Last spring and first fall frost at NOAA station USW00013964, 1951 to 2024, measured from daily minimum temperatures.

Elevation 449 ft, 35.333, -94.362. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 30Nov 3
EarliestFeb 25 (2012)Oct 8 (1952)
LatestApr 21 (2021)Nov 28 (2020)
Trend1.6 days earlier per decade1.8 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Mar 15 and the median first fall date is Nov 13.

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 171952: Mar 281953: Apr 161954: Apr 11955: Mar 291956: Mar 201957: Apr 131958: Mar 201959: Apr 141960: Mar 261961: Apr 131962: Apr 31963: Mar 221964: Apr 91965: Mar 271966: Apr 61967: Mar 181968: Apr 51969: Mar 261970: Mar 271971: Apr 71972: Apr 41973: Apr 111974: Apr 91975: Apr 41976: Mar 311977: Mar 231978: Mar 271979: Apr 51980: Apr 151981: Mar 201982: Apr 61983: Apr 151984: Mar 301985: Mar 51986: Mar 221987: Apr 51988: Mar 301989: Apr 111990: Apr 71991: Mar 301992: Apr 31993: Mar 151994: Apr 71995: Mar 101996: Mar 261997: Apr 141998: Mar 221999: Mar 152000: Apr 92001: Mar 212002: Mar 272003: Apr 102004: Mar 122005: Mar 172006: Mar 252007: Apr 82008: Apr 142009: Apr 72010: Mar 232011: Mar 62012: Feb 252013: Mar 272014: Apr 152015: Mar 72016: Mar 212017: Mar 152018: Apr 162019: Mar 162020: Feb 282021: Apr 212022: Apr 12023: Mar 202024: Mar 27

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 21952: Oct 81953: Nov 61954: Nov 21955: Oct 251956: Nov 81957: Oct 261958: Nov 191959: Nov 51960: Oct 201961: Nov 41962: Nov 91963: Nov 21964: Oct 201965: Oct 251966: Oct 161967: Oct 281968: Oct 291969: Nov 41970: Nov 61971: Nov 41972: Nov 81973: Nov 101974: Nov 141975: Oct 191976: Oct 211977: Oct 131978: Oct 271979: Nov 31980: Oct 251981: Oct 231982: Oct 241983: Nov 111984: Nov 111985: Nov 191986: Nov 121987: Oct 211988: Nov 161989: Oct 191990: Oct 231991: Nov 11992: Nov 41993: Oct 301994: Oct 261995: Nov 31996: Nov 31997: Nov 41998: Nov 61999: Oct 242000: Oct 92001: Nov 202002: Nov 72003: Nov 232004: Nov 252005: Nov 162006: Nov 22007: Nov 72008: Oct 282009: Nov 262010: Nov 62011: Nov 172012: Oct 282013: Nov 122014: Nov 12015: Nov 132016: Nov 192017: Oct 282018: Nov 92019: Oct 312020: Nov 282021: Nov 132022: Oct 192023: Oct 312024: Nov 26

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

"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.