Last Frost Day

Frost history / Highland Home 2 S, AL

Highland Home 2 S, AL: frost dates by year

Last spring and first fall frost at NOAA station USW00073802, 2009 to 2024, measured from daily minimum temperatures.

Elevation 614 ft, 31.916, -86.311. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 4Nov 27
EarliestJan 22 (2024)Nov 2 (2014)
LatestMar 27 (2013)Dec 22 (2012)
Trend6.2 days earlier per decade5.6 days earlier per decade
Years with data1616, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 19 and the median first fall date is Dec 6.

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 15201020202009: Mar 42010: Mar 42011: Feb 122012: Feb 132013: Mar 272014: Mar 262015: Mar 72016: Feb 142017: Mar 162018: Feb 32019: Mar 62020: Feb 222021: Feb 202022: Mar 132023: Mar 202024: Jan 22

First fall frost (32°F)

Oct 27Nov 11Nov 26Dec 11Dec 26Jan 10201020202009: Dec 52010: Nov 272011: Dec 12012: Dec 222013: Nov 132014: Nov 22015: Nov 232016: Dec 92017: Nov 202018: Nov 152019: Nov 122020: Nov 302022: Nov 142023: Nov 292024: 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
2024Jan 22Nov 30Jan 21Dec 6
2023Mar 20Nov 29Mar 20none
2022Mar 13Nov 14Mar 13Dec 23
2021Feb 20noneFeb 20none
2020Feb 22Nov 30Jan 22Dec 1
2019Mar 6Nov 12Mar 6Nov 12
2018Feb 3Nov 15Jan 19Nov 27
2017Mar 16Nov 20Jan 9Dec 10
2016Feb 14Dec 9Feb 10Dec 10
2015Mar 7Nov 23Mar 6none
2014Mar 26Nov 2Feb 27Nov 14
2013Mar 27Nov 13Feb 17Nov 13
2012Feb 13Dec 22Feb 13Dec 30
2011Feb 12Dec 1Feb 11none
2010Mar 4Nov 27Feb 25Dec 6
2009Mar 4Dec 5Mar 3Dec 6

"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.