Last Frost Day

Frost history / Donaldsonville 4 Sw, LA

Donaldsonville 4 Sw, LA: frost dates by year

Last spring and first fall frost at NOAA station USC00162534, 1951 to 2025, measured from daily minimum temperatures.

Elevation 30 ft, 30.072, -91.028. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianFeb 23Dec 2
EarliestJan 9 (2017)Oct 21 (1952)
LatestMar 31 (1987)Dec 26 (2001)
Trendlittle change (less than half a day per decade)1.4 days later per decade
Years with data68, 1 with no freeze69, 3 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 4 and the median first fall date is Dec 11.

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)

Dec 31Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 1519601970198019902000201020201951: Mar 141952: Feb 271953: Jan 121954: Mar 161955: Mar 291956: Jan 201957: Jan 191958: Feb 181959: Feb 211960: Mar 61961: Jan 311962: Mar 61963: Feb 231964: Feb 231965: Mar 211966: Feb 251967: Feb 261969: Jan 101974: Feb 271977: Feb 161978: Mar 51979: Feb 111980: Mar 41981: Feb 131982: Mar 81983: Jan 241984: Mar 71985: Feb 161986: Mar 11987: Mar 311988: Mar 161989: Mar 101991: Feb 171992: Jan 221993: Mar 151994: Feb 151995: Feb 131996: Mar 121997: Jan 201998: Mar 131999: Feb 222000: Feb 72001: Feb 52002: Mar 62003: Jan 262004: Feb 82005: Jan 252006: Feb 142007: Mar 62008: Mar 92009: Mar 22010: Mar 42011: Feb 142012: Feb 132013: Mar 272014: Mar 52015: Mar 72016: Feb 72017: Jan 92018: Jan 202019: Mar 72020: Feb 222021: Feb 212022: Mar 142023: Mar 212024: Jan 222025: Feb 22

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26Jan 1019601970198019902000201020201951: Nov 31952: Oct 211953: Nov 101954: Nov 31955: Nov 291956: Nov 91957: Dec 11958: Nov 291959: Nov 71960: Dec 11961: Nov 301962: Dec 61963: Dec 141964: Nov 221965: Dec 261966: Nov 31967: Dec 241968: Dec 151969: Nov 151973: Dec 81976: Nov 291977: Dec 101978: Dec 101979: Nov 301980: Dec 251981: Dec 191982: Dec 131983: Dec 231984: Dec 71985: Dec 31987: Dec 171988: Dec 11989: Dec 41990: Dec 81991: Nov 41992: Nov 291993: Nov 11994: Dec 121995: Dec 101996: Dec 191997: Dec 61998: Dec 161999: Dec 72000: Nov 222001: Dec 262002: Nov 292003: Nov 252004: Dec 152005: Dec 62006: Nov 212008: Dec 22009: Nov 272010: Nov 272011: Dec 22012: Dec 132013: Nov 282014: Nov 142016: Dec 102017: Dec 82018: Nov 152019: Nov 132020: Dec 12022: Dec 232023: Dec 112024: Dec 62025: 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
2025Feb 22Nov 11Feb 22Dec 15
2024Jan 22Dec 6Jan 22none
2023Mar 21Dec 11nonenone
2022Mar 14Dec 23Jan 24Dec 23
2021Feb 21noneFeb 21none
2020Feb 22Dec 1nonenone
2019Mar 7Nov 13noneNov 13
2018Jan 20Nov 15Jan 20Dec 11
2017Jan 9Dec 8Jan 9Dec 9
2016Feb 7Dec 10Jan 24none
2015Mar 7noneJan 9none
2014Mar 5Nov 14Jan 31none
2013Mar 27Nov 28Mar 3Nov 29
2012Feb 13Dec 13nonenone
2011Feb 14Dec 2Feb 13none
2010Mar 4Nov 27Feb 26Dec 7
2009Mar 2Nov 27Jan 22Dec 29
2008Mar 9Dec 2Jan 21none
2007Mar 6no dataFeb 16no data
2006Feb 14Nov 21Feb 14Dec 5
2005Jan 25Dec 6Jan 25none
2004Feb 8Dec 15Jan 29Dec 15
2003Jan 26Nov 25Jan 25Dec 7
2002Mar 6Nov 29Mar 6none
2001Feb 5Dec 26Jan 22Dec 26
2000Feb 7Nov 22noneDec 20
1999Feb 22Dec 7Jan 11none
1998Mar 13Dec 16nonenone
1997Jan 20Dec 6Jan 19Dec 15
1996Mar 12Dec 19Mar 10Dec 19
1995Feb 13Dec 10noneDec 10
1994Feb 15Dec 12Feb 3none
1993Mar 15Nov 1Mar 15none
1992Jan 22Nov 29Jan 21none
1991Feb 17Nov 4noneNov 9
1990noneDec 8noneDec 24
1989Mar 10Dec 4Feb 25Dec 13
1988Mar 16Dec 1Feb 13Dec 18
1987Mar 31Dec 17Jan 28none
1986Mar 1noneFeb 13none
1985Feb 16Dec 3Feb 4Dec 19
1984Mar 7Dec 7Feb 6Dec 7
1983Jan 24Dec 23noneDec 24
1982Mar 8Dec 13Jan 18Dec 13
1981Feb 13Dec 19Feb 13Dec 19
1980Mar 4Dec 25Mar 3none
1979Feb 11Nov 30Feb 11Dec 18
1978Mar 5Dec 10Feb 23Dec 10
1977Feb 16Dec 10Jan 31Dec 27
1976no dataNov 29no dataNov 30
1974Feb 27no datanoneno data
1973no dataDec 8no dataDec 11
1969Jan 10Nov 15Jan 6Nov 15
1968no dataDec 15no dataDec 15
1967Feb 26Dec 24Feb 9Dec 29
1966Feb 25Nov 3Feb 4Nov 3
1965Mar 21Dec 26Mar 20none
1964Feb 23Nov 22Feb 23Dec 1
1963Feb 23Dec 14Feb 22Dec 15
1962Mar 6Dec 6Jan 13Dec 10
1961Jan 31Nov 30Jan 31Dec 25
1960Mar 6Dec 1Mar 6Dec 2
1959Feb 21Nov 7Jan 23Nov 7
1958Feb 18Nov 29Feb 18Nov 29
1957Jan 19Dec 1Jan 18Dec 1
1956Jan 20Nov 9Jan 1Nov 30
1955Mar 29Nov 29Mar 27Nov 29
1954Mar 16Nov 3Mar 7Dec 14
1953Jan 12Nov 10noneDec 15
1952Feb 27Oct 21noneOct 29
1951Mar 14Nov 3Feb 4Nov 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.