ZIP Code 35816 Hardiness Zones and Climate Data

ZIP Code 35816 - Huntsville Alabama is in 2023 USDA Hardiness Zones 8a (10°F to 15°F)

Additional Gardening Related Climate Data for ZIP Code 35816 - Huntsville, Alabama

2023 Hardiness Zone:Zone 8a: 10°F to 15°F
2012 Hardiness Zone:Zone 7b: 5°F to 10°F
1990 Hardiness Zone:Zone 7b: 5F to 10F
Average First Frost Date:Nov. 1 - Nov. 10
Average Last Frost Date:Apr. 1 - Apr. 10
Koppen-Geiger Climate Zone:Cfa - Humid Subtropical Climate
Ecoregion:71g - Eastern Highland Rim
Heat Zone Days: 91 - 120 days Over 86°F

Annual Climate Data for ZIP Code 35816 - Huntsville, AL

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)30323947566367666048393248
Avg Max Temp (°F)50546372798689898374625371
Avg Precip (In.)5.484.826.514.6654.464.493.334.263.495.075.5557.13

Source Data:

2025 plantmaps.com