Frost history / Houston Nwso, TX
Houston Nwso, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00414333, 1991 to 2025, measured from daily minimum temperatures.
Elevation 19 ft, 29.472, -95.083. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 7 | Dec 4 |
| Earliest | Jan 8 (2017) | Oct 31 (1993) |
| Latest | Mar 22 (1996) | Dec 26 (1994) |
| Trend | 1.1 days earlier per decade | 2.3 days later per decade |
| Years with data | 35, 3 with no freeze | 34, 6 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 20 and the median first fall date is Dec 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 |
|---|---|---|---|---|
| 2025 | Feb 20 | Dec 15 | Feb 20 | none |
| 2024 | Jan 20 | none | Jan 17 | none |
| 2023 | none | none | none | none |
| 2022 | Feb 6 | Dec 22 | Feb 5 | Dec 22 |
| 2021 | Feb 20 | none | Feb 19 | none |
| 2020 | none | none | none | none |
| 2019 | Mar 5 | Nov 13 | none | none |
| 2018 | Jan 18 | Nov 14 | Jan 18 | none |
| 2017 | Jan 8 | Dec 8 | Jan 8 | none |
| 2016 | none | Dec 19 | none | none |
| 2015 | Mar 6 | none | none | none |
| 2014 | Mar 4 | Nov 13 | Mar 3 | none |
| 2013 | Mar 3 | Nov 28 | Jan 17 | none |
| 2012 | Jan 14 | Dec 21 | Jan 13 | none |
| 2011 | Feb 13 | Nov 28 | Feb 12 | Dec 7 |
| 2010 | Feb 25 | Dec 1 | Jan 11 | Dec 13 |
| 2009 | Jan 21 | Dec 4 | none | Dec 5 |
| 2008 | Jan 20 | Dec 10 | none | none |
| 2007 | Feb 16 | none | Feb 16 | none |
| 2006 | Feb 13 | Dec 1 | none | none |
| 2005 | Jan 24 | Dec 6 | none | none |
| 2004 | Feb 7 | Dec 15 | none | Dec 24 |
| 2003 | Feb 17 | Nov 29 | Jan 19 | none |
| 2002 | Mar 5 | Dec 5 | Mar 4 | none |
| 2001 | Jan 23 | no data | Jan 20 | no data |
| 2000 | Feb 6 | Dec 17 | Jan 5 | none |
| 1999 | Mar 15 | Nov 3 | Jan 5 | Dec 16 |
| 1998 | Feb 7 | Dec 25 | none | Dec 26 |
| 1997 | Jan 30 | Dec 13 | Jan 18 | Dec 14 |
| 1996 | Mar 22 | Dec 2 | Mar 22 | Dec 18 |
| 1995 | Jan 24 | Dec 10 | none | Dec 10 |
| 1994 | Feb 3 | Dec 26 | Feb 3 | none |
| 1993 | Mar 15 | Oct 31 | Mar 14 | none |
| 1992 | Jan 21 | Nov 27 | Jan 21 | Nov 27 |
| 1991 | Feb 1 | Nov 4 | Jan 1 | 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 1991–2020 frost probabilities.