Frost history / Mason, TX
Mason, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00415650, 1957 to 2025, measured from daily minimum temperatures.
Elevation 1,531 ft, 30.748, -99.231. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 19 | Nov 12 |
| Earliest | Feb 13 (2018) | Oct 9 (1976) |
| Latest | Apr 18 (1983) | Dec 12 (2021) |
| Trend | 3.3 days earlier per decade | 1.7 days later per decade |
| Years with data | 42 | 38 |
At 28°F (hard freeze) the median last spring date is Mar 5 and the median first fall date is Nov 19.
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 23 | Dec 2 | Feb 22 | none |
| 2024 | Mar 2 | Dec 11 | Feb 18 | none |
| 2023 | Feb 19 | Nov 26 | Feb 19 | Dec 10 |
| 2022 | Mar 14 | Nov 13 | Mar 14 | Dec 18 |
| 2021 | Mar 8 | Dec 12 | Mar 2 | Dec 12 |
| 2020 | Mar 2 | Oct 27 | Feb 28 | Dec 1 |
| 2019 | Mar 7 | Oct 31 | Mar 7 | Oct 31 |
| 2018 | Feb 13 | Nov 13 | Feb 13 | Nov 13 |
| 2017 | Mar 3 | Nov 20 | Jan 9 | Dec 8 |
| 2016 | Mar 22 | Nov 20 | Feb 8 | Dec 9 |
| 2015 | Mar 7 | Nov 22 | Mar 7 | Nov 22 |
| 2014 | Apr 15 | Nov 12 | Mar 4 | Nov 13 |
| 2013 | Mar 27 | Nov 13 | Mar 27 | Nov 13 |
| 2012 | Mar 4 | Nov 13 | Feb 25 | Dec 11 |
| 2011 | Mar 6 | Nov 4 | Mar 6 | Nov 11 |
| 2010 | Mar 22 | Nov 5 | Feb 25 | Nov 19 |
| 2008 | Mar 9 | Oct 28 | Mar 9 | Nov 25 |
| 2007 | Apr 9 | Nov 22 | Mar 6 | Dec 5 |
| 2005 | Mar 23 | no data | Mar 17 | no data |
| 2003 | Apr 10 | no data | Mar 30 | no data |
| 2002 | Mar 26 | no data | Mar 22 | no data |
| 2001 | Mar 20 | no data | Feb 18 | no data |
| 2000 | Mar 21 | no data | Feb 7 | no data |
| 1999 | Apr 17 | no data | Mar 16 | no data |
| 1983 | Apr 18 | Nov 16 | Feb 13 | Nov 24 |
| 1982 | Mar 8 | Nov 4 | Mar 7 | Nov 4 |
| 1981 | Mar 19 | Nov 10 | Feb 13 | Nov 21 |
| 1980 | Mar 18 | Oct 30 | Mar 18 | Oct 30 |
| 1979 | Mar 5 | Nov 11 | Mar 5 | Nov 13 |
| 1978 | Mar 17 | Nov 8 | Mar 9 | Dec 4 |
| 1977 | Mar 22 | Nov 10 | Mar 1 | Nov 10 |
| 1976 | Mar 17 | Oct 9 | Feb 24 | Nov 13 |
| 1974 | no data | Nov 15 | no data | Nov 30 |
| 1970 | Apr 6 | Oct 29 | Apr 6 | Nov 15 |
| 1968 | Apr 5 | Nov 4 | Mar 13 | Nov 12 |
| 1967 | Mar 10 | Nov 4 | Mar 8 | Nov 4 |
| 1966 | Apr 6 | no data | Mar 24 | no data |
| 1965 | Mar 27 | Nov 30 | Mar 27 | Nov 30 |
| 1964 | Apr 9 | Nov 21 | Mar 10 | Nov 22 |
| 1963 | no data | Nov 2 | no data | Nov 2 |
| 1961 | no data | Nov 23 | no data | Dec 12 |
| 1960 | Mar 16 | Nov 10 | Mar 3 | Nov 11 |
| 1959 | Apr 13 | Nov 6 | Mar 22 | Nov 6 |
| 1958 | Mar 26 | Nov 19 | Feb 13 | Nov 19 |
| 1957 | Mar 26 | Oct 27 | Jan 27 | Oct 27 |
"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.