Frost dates for Pinson, AL
At Pinson, the median last spring frost (32°F) is Apr 4 and the median first fall frost is Nov 1, for a typical growing season of 212 days. For a 90% chance that the last frost has passed, wait until Apr 22. Nearby ZIP codes are in USDA hardiness zone 8a.
- Apr 4Last spring frost (median)50% chance of 32°F after this date
- Apr 22Safer planting date10% chance of 32°F after this date
- Nov 1First fall frost (median)50% chance of 32°F by this date
- 212 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 30 | Apr 16 | Apr 30 |
| 32°F | Mar 16 | Apr 4 | Apr 22 |
| 28°F | Feb 27 | Mar 22 | Apr 10 |
| 24°F | Feb 9 | Mar 5 | Mar 27 |
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 13 | Oct 25 | Nov 5 |
| 32°F | Oct 21 | Nov 1 | Nov 15 |
| 28°F | Oct 29 | Nov 11 | Dec 1 |
| 24°F | Nov 7 | Nov 26 | Dec 19 |
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 | 171 days | 191 days | 212 days |
| 32°F | 190 days | 212 days | 235 days |
| 28°F | 211 days | 237 days | 264 days |
| 24°F | 237 days | 267 days | 297 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 |
|---|---|---|---|
| 35215 | 8a | 10 to 15°F | 5 km |
| 35126 | 8a | 10 to 15°F | 5 km |
| 35116 | 8a | 10 to 15°F | 9 km |
| 35235 | 8a | 10 to 15°F | 9 km |
| 35173 | 8a | 10 to 15°F | 12 km |
| 35091 | 8a | 10 to 15°F | 14 km |
| 35071 | 8a | 10 to 15°F | 15 km |
| 35172 | 8a | 10 to 15°F | 17 km |
| 35133 | 8a | 10 to 15°F | 17 km |
| 35112 | 8a | 10 to 15°F | 19 km |
| 35004 | 8a | 10 to 15°F | 20 km |
| 35180 | 8a | 10 to 15°F | 22 km |
| 35120 | 8a | 10 to 15°F | 24 km |
| 35052 | 8a | 10 to 15°F | 28 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 USC00016478, at 33.6906, -86.6850, elevation 185 m (608 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 72.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Birmingham Airport (15 km)
- Oneonta (36 km)
- Hanceville (43 km)
- Bessemer 3 WSW (44 km)
- Helena (48 km)
- Saint Bernard (55 km)
- Childersburg Water Plant (55 km)
- Cullman Nahs (57 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.