Last Frost Day

Frost history / Whiting Field Nas South, FL

Whiting Field Nas South, FL: frost dates by year

Last spring and first fall frost at NOAA station USW00053847, 1997 to 2021, measured from daily minimum temperatures.

Elevation 178 ft, 30.704, -87.023. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 6Nov 27
EarliestFeb 13 (2011)Oct 29 (2008)
LatestMar 28 (2013)Dec 19 (2015)
Trend3.9 days later per decade16.7 days later per decade
Years with data1612

At 28°F (hard freeze) the median last spring date is Feb 15 and the median first fall date is Nov 30.

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 30Feb 14Mar 1Mar 16Mar 31Apr 152000201020201997: Feb 162007: Mar 62008: Mar 252009: Mar 32010: Mar 72011: Feb 132012: Feb 132013: Mar 282014: Mar 262015: Mar 62016: Feb 272017: Mar 162018: Mar 152019: Mar 72020: Feb 282021: Feb 22

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 262000201020202007: Nov 162008: Oct 292009: Nov 272010: Dec 22011: Nov 302012: Nov 252013: Nov 272014: Nov 152015: Dec 192016: Nov 212017: Dec 102020: Dec 1

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
2021Feb 22no dataFeb 22no data
2020Feb 28Dec 1Jan 22Dec 1
2019Mar 7no dataJan 26no data
2018Mar 15no dataJan 19no data
2017Mar 16Dec 10Jan 8none
2016Feb 27Nov 21Feb 10none
2015Mar 6Dec 19Feb 19none
2014Mar 26Nov 15Feb 28Nov 18
2013Mar 28Nov 27Feb 17Nov 28
2012Feb 13Nov 25Feb 13none
2011Feb 13Nov 30Feb 12Dec 1
2010Mar 7Dec 2Mar 5Dec 7
2009Mar 3Nov 27Feb 5none
2008Mar 25Oct 29Feb 28Nov 19
2007Mar 6Nov 16Feb 19none
1997Feb 16no dataFeb 16no data

"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.