When is the first freeze in Houston, TX?
Most years, but not every year, bring a freezing night to Houston. NOAA's 1991-2020 climate normals for HOUSTON INTERCONT AP, TX US give a 98.9% chance of a 32°F night in a given year. In years when it does freeze, the middle date for the first freeze is about Dec 9. The middle date for the first hard freeze (28°F or colder) is about Jan 2.
| First fall freeze (32°F), middle date | Dec 9 |
|---|---|
| First hard freeze (28°F), middle date | Jan 2 |
| Last spring freeze (32°F), middle date | Feb 13 |
| Chance of a 32°F night in a year | 98.9% |
| Weather station | HOUSTON INTERCONT AP, TX US (USW00012960) |
The middle date is NOAA's 50% date. In about half of years the first freeze comes sooner, and in half it comes later. One station can differ from nearby areas, mostly low or rural spots. Dates change each year, so check the latest National Weather Service forecast.
For HVAC and plumbing shops in Houston
ForecastBooked watches the NWS forecast for the ZIPs you serve. When the first freeze is really in the forecast, a ready-to-send email, text, Google post and social post for your customers appears on your kit page. Pro and up also get a graphic.
See how it worksSource
NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, annual/seasonal normals, station USW00012960: fields ANN-TMIN-PRBFST-T32FP50, ANN-TMIN-PRBFST-T28FP50, ANN-TMIN-PRBLST-T32FP50, ANN-TMIN-PRBOCC-LSTH032. https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USW00012960.csv. ForecastBooked is not affiliated with or endorsed by NOAA.