Frost dates for Birmingham, Alabama
In a typical year, Birmingham’s last spring frost lands around Mar 21 and the first fall frost around Nov 11, a growing season of about 235 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 8a.
Right now the growing season is open, with about 17 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Feb 28 | Oct 30 |
| 50 percent | Mar 21 | Nov 11 |
| 90 percent | Apr 8 | Dec 1 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Birmingham is typically around 63°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Birmingham
- Garlic (Music)
Timing comes from the same temperature engine the app uses, run against Birmingham’s normals for today.
Common questions
When is the last frost in Birmingham, Alabama?
Birmingham’s last spring frost falls around March 21 in a typical year. One year in ten it is done by February 28, and one year in ten frost holds on until April 8. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Birmingham?
The first fall frost arrives around November 11 in a typical year, as early as October 30 in an early year and as late as December 1 in a late one.
How long is the growing season in Birmingham?
About 235 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Birmingham in?
Birmingham is in USDA hardiness zone 8a under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Gadsden, AL (around Mar 19 to Nov 13)
- Huntsville, AL (around Apr 4 to Oct 30)
- Montgomery, AL (around Mar 4 to Nov 18)
- Florence, AL (around Mar 27 to Nov 3)
- Rome, GA (around Apr 1 to Nov 3)
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