Frost dates for Centreville 6 SW, AL
At Centreville 6 SW, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 2, for a typical growing season of 215 days. For a 90% chance that the last frost has passed, wait until Apr 19. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 19Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 215 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 31 | Apr 16 | May 1 |
| 32°F | Mar 15 | Apr 2 | Apr 19 |
| 28°F | Feb 25 | Mar 18 | Apr 7 |
| 24°F | Feb 2 | Mar 3 | Mar 23 |
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 12 | Oct 25 | Nov 5 |
| 32°F | Oct 20 | Nov 2 | Nov 18 |
| 28°F | Oct 30 | Nov 13 | Dec 3 |
| 24°F | Nov 7 | Nov 27 | Dec 29 |
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 | 174 days | 193 days | 215 days |
| 32°F | 193 days | 215 days | 239 days |
| 28°F | 215 days | 240 days | 267 days |
| 24°F | 239 days | 268 days | 300 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 35034 | 8a | 10 to 15°F | 5 km |
| 35042 | 8a | 10 to 15°F | 13 km |
| 36756 | 8b | 15 to 20°F | 20 km |
| 36793 | 8a | 10 to 15°F | 22 km |
| 35184 | 8a | 10 to 15°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 USW00003881, at 32.8661, -87.2383, elevation 137 m (450 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 67.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Greensboro (37 km)
- Greensboro 2 WNW (40 km)
- Marion Junction 2 NE (44 km)
- Selma 13 WNW (46 km)
- Northport 2 S (51 km)
- Tuscaloosa Acfd (52 km)
- Tuscaloosa Muni Airport (52 km)
- Thorsby Exp. Station (53 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.