Last Frost Day

Frost history / Ft Worth Alliance Ap, TX

Ft Worth Alliance Ap, TX: frost dates by year

Last spring and first fall frost at NOAA station USW00053909, 1998 to 2024, measured from daily minimum temperatures.

Elevation 685 ft, 32.973, -97.318. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 19Nov 12
EarliestFeb 18 (2024)Oct 8 (2012)
LatestApr 17 (1999)Dec 3 (2007)
Trend6.1 days earlier per decade1.2 days later per decade
Years with data2727

At 28°F (hard freeze) the median last spring date is Mar 4 and the median first fall date is Nov 24.

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 15Apr 302000201020201998: Mar 211999: Apr 172000: Mar 122001: Feb 222002: Mar 262003: Apr 92004: Feb 272005: Mar 172006: Mar 252007: Mar 52008: Mar 242009: Apr 72010: Mar 212011: Apr 52012: Feb 212013: Mar 262014: Apr 152015: Mar 72016: Mar 252017: Mar 142018: Apr 82019: Mar 62020: Feb 272021: Feb 202022: Mar 122023: Mar 192024: Feb 18

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 112000201020201998: Nov 61999: Nov 32000: Nov 92001: Nov 202002: Nov 192003: Nov 232004: Nov 252005: Oct 242006: Nov 32007: Dec 32008: Oct 282009: Nov 252010: Nov 252011: Nov 32012: Oct 82013: Nov 122014: Nov 12015: Nov 212016: Nov 192017: Oct 282018: Nov 132019: Oct 312020: Nov 302021: Nov 262022: Nov 122023: Nov 12024: Nov 29

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 18Nov 29Feb 18none
2023Mar 19Nov 1Feb 3none
2022Mar 12Nov 12Mar 12Dec 22
2021Feb 20Nov 26Feb 20none
2020Feb 27Nov 30Feb 14none
2019Mar 6Oct 31Mar 6Nov 12
2018Apr 8Nov 13Feb 12Nov 13
2017Mar 14Oct 28Mar 2Oct 28
2016Mar 25Nov 19Feb 26Dec 8
2015Mar 7Nov 21Mar 7Nov 22
2014Apr 15Nov 1Apr 15Nov 13
2013Mar 26Nov 12Mar 26Nov 13
2012Feb 21Oct 8Feb 12Nov 13
2011Apr 5Nov 3Mar 6Nov 4
2010Mar 21Nov 25Feb 17Nov 26
2009Apr 7Nov 25Apr 7Dec 4
2008Mar 24Oct 28Mar 8Dec 4
2007Mar 5Dec 3Mar 4Dec 13
2006Mar 25Nov 3Feb 19Nov 30
2005Mar 17Oct 24Mar 17Nov 16
2004Feb 27Nov 25Feb 16Dec 3
2003Apr 9Nov 23Mar 6Nov 24
2002Mar 26Nov 19Mar 10Nov 27
2001Feb 22Nov 20Feb 18Nov 20
2000Mar 12Nov 9Feb 5Nov 21
1999Apr 17Nov 3Mar 15Dec 6
1998Mar 21Nov 6Mar 12Dec 9

"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.