Frost history / San Angelo Wfo, TX
San Angelo Wfo, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00417944, 2003 to 2025, measured from daily minimum temperatures.
Elevation 1,890 ft, 31.371, -100.494. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 28 | Nov 8 |
| Earliest | Feb 18 (2023) | Oct 25 (2005) |
| Latest | Apr 27 (2018) | Dec 1 (2016) |
| Trend | 2.0 days earlier per decade | 2.4 days earlier per decade |
| Years with data | 21 | 22 |
At 28°F (hard freeze) the median last spring date is Mar 6 and the median first fall date is Nov 18.
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 | Mar 20 | Oct 30 | Feb 22 | Nov 10 |
| 2024 | Mar 28 | Nov 21 | Feb 19 | Nov 29 |
| 2023 | Feb 18 | Nov 1 | Feb 18 | Nov 1 |
| 2022 | Apr 8 | Nov 12 | Mar 13 | Nov 17 |
| 2021 | Apr 1 | Nov 13 | Mar 3 | Dec 7 |
| 2020 | Apr 15 | Oct 27 | Feb 28 | Oct 27 |
| 2019 | Mar 7 | Oct 31 | Mar 6 | Oct 31 |
| 2018 | Apr 27 | Nov 10 | Feb 22 | Nov 13 |
| 2017 | Mar 3 | Oct 29 | Mar 3 | Dec 8 |
| 2016 | Mar 20 | Dec 1 | Feb 26 | Dec 9 |
| 2015 | Mar 7 | Nov 22 | Mar 7 | Nov 22 |
| 2014 | Apr 16 | Nov 12 | Apr 16 | Nov 13 |
| 2013 | Mar 27 | Nov 13 | Mar 7 | Nov 13 |
| 2012 | Mar 5 | Oct 28 | Mar 4 | Nov 12 |
| 2011 | Apr 6 | Oct 29 | Mar 10 | Nov 28 |
| 2010 | Mar 30 | Nov 6 | Mar 23 | Nov 26 |
| 2009 | Apr 8 | Oct 31 | Apr 8 | Nov 18 |
| 2008 | no data | Nov 7 | no data | Nov 7 |
| 2007 | Apr 16 | no data | Apr 8 | no data |
| 2006 | Mar 25 | Nov 16 | Mar 25 | Nov 18 |
| 2005 | Apr 2 | Oct 25 | Mar 17 | Nov 16 |
| 2004 | Feb 27 | Dec 1 | Feb 27 | Dec 1 |
| 2003 | no data | Nov 19 | no data | Nov 24 |
"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.