Allen, TX Frost Dates
The last spring frost in Allen usually comes around March 18 and the first fall frost around November 11.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | March 18 | November 11 |
| Hard freeze, 28°F | March 4 | November 24 |
Growing season: about 239 days.
Frequently asked questions
When is the last frost in Allen, TX?
The median date of the last spring frost (32°F) is March 18. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past March 18 lowers the risk for tender plants.
When is the first frost in Allen?
The median date of the first fall frost (32°F) is November 11, and a hard freeze (28°F) usually follows around November 24.
How long is the growing season in Allen?
About 239 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00053914. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.