Richardson, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00417588, 2006 to 2025, measured from daily minimum temperatures.

Elevation 678 ft, 32.996, -96.743. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 5	Nov 26
Earliest	Jan 27 (2017)	Oct 31 (2019)
Latest	Apr 7 (2018)	Dec 11 (2021)
Trend	4.2 days earlier per decade	1.1 days later per decade
Years with data	18	20

At 28°F (hard freeze) the median last spring date is Feb 19 and the median first fall date is Dec 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)

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
2025	Feb 22	Nov 30	Feb 22	Dec 14
2024	Feb 18	Dec 6	Feb 18	none
2023	Mar 19	Nov 27	Feb 1	none
2022	Mar 12	Nov 13	Mar 12	Dec 17
2021	Feb 22	Dec 11	Feb 20	none
2020	Feb 27	Nov 30	Feb 27	Dec 17
2019	Mar 6	Oct 31	Mar 6	Nov 11
2018	Apr 7	Nov 10	Feb 12	Nov 14
2017	Jan 27	Dec 7	Jan 8	Dec 8
2016	Feb 26	Nov 20	Jan 23	Dec 8
2015	Mar 7	Nov 22	Mar 6	Nov 22
2014	Mar 4	Nov 12	Mar 4	Nov 13
2013	Mar 26	Nov 13	Jan 16	Nov 13
2012	Feb 12	Nov 13	Feb 12	Dec 10
2011	Mar 6	Nov 28	Feb 11	Dec 6
2010	Mar 21	Nov 26	Feb 24	Dec 7
2009	no data	Dec 2	no data	Dec 4
2008	Mar 8	Nov 21	Mar 8	Dec 4
2007	Mar 4	Nov 27	Feb 18	Dec 16
2006	no data	Nov 30	no data	Nov 30

"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.