Last Frost Day

Frost history / Slidell Ap, LA

Slidell Ap, LA: frost dates by year

Last spring and first fall frost at NOAA station USW00053865, 1994 to 2024, measured from daily minimum temperatures.

Elevation 27 ft, 30.343, -89.822. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 5Nov 19
EarliestJan 31 (2018)Oct 19 (2022)
LatestApr 9 (2000)Dec 16 (1998)
Trend3.5 days earlier per decade5.1 days earlier per decade
Years with data3031, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 7 and the median first fall date is Dec 4.

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 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 152000201020201995: Feb 121996: Mar 221997: Feb 161998: Mar 121999: Mar 42000: Apr 92001: Feb 62002: Mar 62003: Mar 312004: Feb 192005: Mar 182006: Mar 252007: Mar 62008: Mar 252009: Mar 42010: Mar 62011: Feb 152012: Feb 122013: Mar 272014: Mar 42015: Mar 72016: Feb 102017: Feb 162018: Jan 312019: Mar 62020: Feb 282021: Feb 212022: Mar 132023: Mar 202024: Feb 19

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 262000201020201994: Dec 111995: Nov 121996: Dec 21997: Nov 161998: Dec 161999: Nov 32000: Nov 152001: Nov 212002: Nov 292003: Nov 242004: Dec 142005: Nov 182006: Nov 212007: Nov 162008: Oct 292009: Nov 272010: Nov 62011: Nov 112012: Nov 252013: Nov 132014: Nov 22015: Nov 232016: Nov 202017: Nov 242018: Nov 152019: Nov 122020: Dec 12022: Oct 192023: Nov 22024: Nov 30

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 19Nov 30Jan 21none
2023Mar 20Nov 2Mar 20none
2022Mar 13Oct 19Mar 13Dec 23
2021Feb 21noneFeb 20none
2020Feb 28Dec 1nonenone
2019Mar 6Nov 12noneNov 13
2018Jan 31Nov 15Jan 19none
2017Feb 16Nov 24Jan 9none
2016Feb 10Nov 20Feb 5none
2015Mar 7Nov 23Feb 18none
2014Mar 4Nov 2Jan 30Nov 18
2013Mar 27Nov 13noneNov 28
2012Feb 12Nov 25Jan 14Dec 22
2011Feb 15Nov 11Feb 13Dec 1
2010Mar 6Nov 6Feb 25Dec 7
2009Mar 4Nov 27Feb 6Dec 29
2008Mar 25Oct 29Jan 21Nov 22
2007Mar 6Nov 16Mar 5Dec 17
2006Mar 25Nov 21Feb 13Dec 4
2005Mar 18Nov 18Jan 24Nov 18
2004Feb 19Dec 14Jan 29Dec 15
2003Mar 31Nov 24Jan 25Nov 25
2002Mar 6Nov 29Mar 5Dec 7
2001Feb 6Nov 21Jan 23Dec 26
2000Apr 9Nov 15Feb 6Nov 22
1999Mar 4Nov 3Feb 22Dec 1
1998Mar 12Dec 16nonenone
1997Feb 16Nov 16Feb 11Nov 17
1996Mar 22Dec 2Mar 11Dec 18
1995Feb 12Nov 12Feb 9Dec 10
1994no dataDec 11no datanone

"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.