Last frost date in Decatur, Alabama
March 26
Average last frost in spring. In an early year (1 in 10) it's over by March 5; in a late year (1 in 10) it comes after April 9.
November 7
Average first frost in fall. 1 year in 10 it comes by October 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Decatur 4SE (USC00012209), 3.2 miles from Decatur, elevation 550 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Hartselle, so its frost dates are the same as Decatur's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 5 | Mar 26 | Apr 9 |
| First frost in fall | Oct 26 | Nov 7 | Nov 26 |
Frost-free days in an average year: 228
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 5 | Oct 29 |
| Frost (32°F) | Every year | Mar 26 | Nov 7 |
| Hard freeze (28°F) | Every year | Mar 12 | Nov 19 |
Nights at 32°F or colder in an average year: 52
What to plant now in Decatur
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around March 30 Decatur: March 26
- Fall planting calendar for an average first frost around November 10 Decatur: November 7
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Alabama
- Athens 14 mi · last frost Mar 20
- Huntsville 20 mi · last frost Mar 24
- Cullman 29 mi · last frost Mar 31
- Muscle Shoals 38 mi · last frost Mar 30
- Florence 42 mi · last frost Mar 27
Updated