Last Frost Day

Frost history / Valley Head 1 Ssw, AL

Valley Head 1 Ssw, AL: frost dates by year

Last spring and first fall frost at NOAA station USW00063862, 2006 to 2024, measured from daily minimum temperatures.

Elevation 1,020 ft, 34.565, -85.617. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 31
EarliestMar 27 (2010)Oct 9 (2022)
LatestApr 24 (2012)Nov 13 (2015)
Trend2.0 days later per decade1.5 days later per decade
Years with data1718

At 28°F (hard freeze) the median last spring date is Mar 22 and the median first fall date is Nov 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)

Mar 16Mar 31Apr 15Apr 30201020202007: Apr 162008: Apr 162009: Apr 82010: Mar 272011: Apr 62012: Apr 242013: Apr 202014: Apr 162015: Mar 292016: Apr 92018: Apr 172019: Apr 32020: Apr 162021: Apr 222022: Apr 192023: Mar 292024: Apr 22

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202006: Oct 152007: Nov 42008: Oct 272009: Oct 182010: Oct 302011: Oct 212012: Oct 302013: Oct 252014: Nov 12015: Nov 132016: Nov 102018: Nov 102019: Nov 12020: Nov 22021: Nov 72022: Oct 92023: Nov 12024: Oct 16

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
2024Apr 22Oct 16Mar 19Nov 29
2023Mar 29Nov 1Mar 21Nov 1
2022Apr 19Oct 9Mar 13Oct 19
2021Apr 22Nov 7Apr 22Nov 14
2020Apr 16Nov 2Mar 7Dec 1
2019Apr 3Nov 1Apr 1Nov 2
2018Apr 17Nov 10Mar 22Nov 10
2016Apr 9Nov 10Mar 5Nov 19
2015Mar 29Nov 13Mar 29Nov 14
2014Apr 16Nov 1Apr 16Nov 2
2013Apr 20Oct 25Mar 28Oct 25
2012Apr 24Oct 30Mar 6Oct 31
2011Apr 6Oct 21Feb 26Nov 10
2010Mar 27Oct 30Mar 8Nov 6
2009Apr 8Oct 18Apr 8Nov 27
2008Apr 16Oct 27Mar 25Oct 28
2007Apr 16Nov 4Apr 8Nov 7
2006no dataOct 15no dataNov 3

"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 1991–2020 frost probabilities.