Frost history / Welder Wildlife Foundation, TX
Welder Wildlife Foundation, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00419559, 1992 to 2025, measured from daily minimum temperatures.
Elevation 50 ft, 28.114, -97.418. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 15 | Dec 6 |
| Earliest | Jan 5 (2000) | Oct 30 (1993) |
| Latest | Mar 9 (1996) | Dec 22 (1998) |
| Trend | 2.8 days earlier per decade | 0.9 days later per decade |
| Years with data | 28, 3 with no freeze | 30, 4 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 2 and the median first fall date is Dec 5.
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 21 | Nov 12 | Feb 21 | Dec 31 |
| 2024 | Jan 18 | Dec 12 | Jan 18 | none |
| 2023 | Jan 15 | Dec 11 | none | none |
| 2021 | no data | none | no data | none |
| 2020 | no data | Dec 1 | no data | none |
| 2019 | Mar 7 | Dec 17 | none | Dec 17 |
| 2018 | Jan 17 | Nov 13 | Jan 17 | Nov 14 |
| 2017 | Jan 9 | Dec 8 | Jan 9 | none |
| 2016 | Feb 25 | Dec 19 | Feb 7 | none |
| 2015 | Feb 19 | none | none | none |
| 2014 | Mar 4 | no data | Jan 23 | no data |
| 2013 | Jan 18 | Dec 8 | none | Dec 17 |
| 2012 | Jan 15 | Dec 13 | Jan 14 | none |
| 2011 | Feb 15 | Nov 12 | Feb 13 | Nov 29 |
| 2010 | Feb 17 | Nov 28 | Jan 11 | Dec 14 |
| 2009 | Mar 2 | Dec 5 | Feb 3 | Dec 5 |
| 2008 | Mar 8 | Nov 17 | Feb 1 | none |
| 2007 | Mar 5 | Dec 4 | Feb 16 | Dec 4 |
| 2006 | Feb 13 | Dec 1 | Feb 13 | Dec 1 |
| 2005 | none | Dec 6 | none | none |
| 2004 | Feb 15 | Dec 15 | none | Dec 15 |
| 2003 | no data | Nov 29 | no data | Dec 30 |
| 2002 | Mar 5 | Dec 6 | Mar 5 | none |
| 2001 | Jan 20 | none | none | none |
| 2000 | Jan 5 | Dec 13 | Jan 5 | none |
| 1999 | no data | Dec 5 | no data | Dec 5 |
| 1998 | none | Dec 22 | none | none |
| 1997 | Jan 14 | Dec 12 | none | none |
| 1996 | Mar 9 | no data | Feb 4 | no data |
| 1995 | none | no data | none | no data |
| 1994 | Mar 9 | none | Feb 2 | none |
| 1993 | Jan 25 | Oct 30 | none | Oct 30 |
| 1992 | no data | Nov 25 | no data | Nov 25 |
"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.