Decatur, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00412334, 2004 to 2022, measured from daily minimum temperatures.

Elevation 970 ft, 33.233, -97.623. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 23	Nov 8
Earliest	Feb 21 (2021)	Oct 8 (2012)
Latest	Apr 25 (2013)	Dec 1 (2020)
Trend	9.4 days earlier per decade	2.6 days later per decade
Years with data	17	18

At 28°F (hard freeze) the median last spring date is Mar 13 and the median first fall date is Nov 14.

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)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2022	Mar 13	no data	Mar 13	no data
2021	Feb 21	Nov 25	Feb 21	none
2020	Apr 16	Dec 1	Feb 28	none
2019	Mar 7	Oct 12	Mar 7	Oct 31
2018	Apr 9	Nov 10	Apr 8	Nov 13
2017	Mar 14	Oct 28	Mar 3	Oct 28
2016	Mar 21	Nov 19	Feb 28	Nov 19
2015	Mar 8	Nov 22	Mar 7	Nov 22
2014	Apr 15	Nov 1	Apr 15	Nov 12
2013	Apr 25	Nov 13	Mar 27	Nov 13
2012	Feb 22	Oct 8	Feb 13	Nov 13
2011	Apr 6	Nov 4	Mar 15	Nov 4
2010	Mar 23	Nov 6	Mar 21	Nov 26
2009	no data	Nov 18	no data	Dec 3
2008	Apr 14	Oct 28	Mar 25	Oct 29
2007	Apr 8	Nov 22	Mar 5	Nov 22
2006	Mar 26	Nov 3	Mar 24	Nov 30
2005	Mar 18	Oct 25	Mar 17	Nov 16
2004	no data	Nov 25	no data	Dec 1

"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.