Frost dates for Tuscaloosa Acfd, AL
At Tuscaloosa Acfd, the median last spring frost (32°F) is Mar 12 and the median first fall frost is Nov 15, for a typical growing season of 250 days. For a 90% chance that the last frost has passed, wait until Apr 2. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Mar 12Last spring frost (median)50% chance of 32°F after this date
- Apr 2Safer planting date10% chance of 32°F after this date
- Nov 15First fall frost (median)50% chance of 32°F by this date
- 250 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Mar 6 | Mar 28 | Apr 15 |
| 32°F | Feb 22 | Mar 12 | Apr 2 |
| 28°F | Feb 2 | Feb 28 | Mar 18 |
| 24°F | Jan 12 | Feb 11 | Mar 8 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 24 | Nov 4 | Nov 19 |
| 32°F | Nov 2 | Nov 15 | Dec 4 |
| 28°F | Nov 11 | Dec 1 | Dec 30 |
| 24°F | Nov 24 | Dec 22 | Jan 18 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 200 days | 222 days | 247 days |
| 32°F | 223 days | 250 days | 276 days |
| 28°F | 249 days | 277 days | 308 days |
| 24°F | 279 days | 310 days | 342 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 98% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 35401 | 8b | 15 to 20°F | 4 km |
| 35452 | 8b | 15 to 20°F | 10 km |
| 35446 | 8b | 15 to 20°F | 12 km |
| 35457 | 8a | 10 to 15°F | 18 km |
| 35463 | 8b | 15 to 20°F | 19 km |
| 35480 | 8b | 15 to 20°F | 21 km |
| 35458 | 8a | 10 to 15°F | 28 km |
| 35469 | 8b | 15 to 20°F | 29 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00018380, at 33.2119, -87.6161, elevation 52 m (169 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 40.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Tuscaloosa Muni Airport (0 km)
- Northport 2 S (2 km)
- Bankhead L&d (36 km)
- Aliceville (51 km)
- Centreville 6 SW (52 km)
- Greensboro 2 WNW (55 km)
- Greensboro (58 km)
- Fayette (58 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.