Last Frost Day

Frost history / Denver City, TX

Denver City, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00412408, 1986 to 2025, measured from daily minimum temperatures.

Elevation 3,590 ft, 32.962, -102.822. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 3Nov 6
EarliestMar 3 (2017)Oct 8 (1992)
LatestMay 4 (2013)Dec 7 (1998)
Trend1.0 days earlier per decade2.6 days later per decade
Years with data3335

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 15.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 1519902000201020201987: Apr 91989: Apr 121991: Apr 11993: Apr 151994: Apr 291998: Mar 311999: Mar 202000: Mar 182001: Mar 272002: Mar 272003: Mar 302004: Apr 122005: Mar 272006: Mar 252007: Apr 92008: Apr 192009: Apr 82010: Apr 92011: Apr 62012: Mar 212013: May 42014: Apr 152015: Mar 262016: Apr 32017: Mar 32018: Apr 82019: Apr 142020: Apr 182021: Apr 212022: Apr 12023: Apr 12024: Mar 272025: Mar 21

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619902000201020201986: Oct 121990: Oct 231991: Oct 291992: Oct 81993: Oct 211994: Nov 101997: Oct 261998: Dec 71999: Nov 222000: Nov 62001: Nov 202002: Nov 62003: Nov 232004: Nov 22005: Nov 162006: Nov 22007: Nov 72008: Nov 72009: Oct 282010: Nov 162011: Nov 32012: Oct 262013: Nov 72014: Nov 112015: Nov 62016: Nov 192017: Nov 92018: Oct 152019: Oct 122020: Oct 242021: Nov 42022: Nov 122023: Oct 302024: Nov 202025: Nov 27

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
2025Mar 21Nov 27Mar 21Nov 30
2024Mar 27Nov 20Mar 27Nov 29
2023Apr 1Oct 30Feb 18Oct 30
2022Apr 1Nov 12Mar 24Nov 12
2021Apr 21Nov 4Mar 26Nov 5
2020Apr 18Oct 24Apr 13Oct 26
2019Apr 14Oct 12Mar 31Oct 31
2018Apr 8Oct 15Mar 7Nov 10
2017Mar 3Nov 9Feb 26Dec 8
2016Apr 3Nov 19Mar 22Nov 30
2015Mar 26Nov 6Mar 7Nov 21
2014Apr 15Nov 11Apr 15Nov 11
2013May 4Nov 7Apr 25Nov 22
2012Mar 21Oct 26Mar 4Oct 27
2011Apr 6Nov 3Apr 5Nov 3
2010Apr 9Nov 16Mar 22Nov 18
2009Apr 8Oct 28Apr 7Oct 30
2008Apr 19Nov 7Mar 9Nov 7
2007Apr 9Nov 7Apr 9Nov 15
2006Mar 25Nov 2Mar 25Nov 16
2005Mar 27Nov 16Mar 27Nov 16
2004Apr 12Nov 2Feb 16Nov 30
2003Mar 30Nov 23Mar 6Nov 23
2002Mar 27Nov 6Mar 26Nov 25
2001Mar 27Nov 20Mar 15Nov 28
2000Mar 18Nov 6Mar 18Nov 7
1999Mar 20Nov 22Mar 13Nov 23
1998Mar 31Dec 7Mar 19Dec 7
1997no dataOct 26no dataNov 8
1994Apr 29Nov 10Apr 29Nov 28
1993Apr 15Oct 21Mar 15Oct 30
1992no dataOct 8no dataOct 9
1991Apr 1Oct 29Apr 1Oct 30
1990no dataOct 23no dataNov 28
1989Apr 12no dataMar 23no data
1987Apr 9no dataMar 31no data
1986no dataOct 12no dataNov 10

"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.