Frost dates for Oneonta, AL
At Oneonta, the median last spring frost (32°F) is Mar 26 and the median first fall frost is Nov 10, for a typical growing season of 230 days. For a 90% chance that the last frost has passed, wait until Apr 12. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 26Last spring frost (median)50% chance of 32°F after this date
- Apr 12Safer planting date10% chance of 32°F after this date
- Nov 10First fall frost (median)50% chance of 32°F by this date
- 230 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 19 | Apr 6 | Apr 24 |
| 32°F | Mar 2 | Mar 26 | Apr 12 |
| 28°F | Feb 16 | Mar 8 | Mar 29 |
| 24°F | Jan 31 | Feb 26 | Mar 17 |
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 17 | Oct 30 | Nov 14 |
| 32°F | Oct 26 | Nov 10 | Nov 30 |
| 28°F | Nov 5 | Nov 24 | Dec 15 |
| 24°F | Nov 15 | Dec 6 | Jan 7 |
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 | 185 days | 207 days | 231 days |
| 32°F | 206 days | 230 days | 256 days |
| 28°F | 231 days | 258 days | 291 days |
| 24°F | 256 days | 289 days | 324 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 |
|---|---|---|---|
| 35121 | 8a | 10 to 15°F | 3 km |
| 35013 | 8a | 10 to 15°F | 9 km |
| 35146 | 8a | 10 to 15°F | 15 km |
| 35987 | 8a | 10 to 15°F | 17 km |
| 35952 | 8a | 10 to 15°F | 17 km |
| 35049 | 8a | 10 to 15°F | 18 km |
| 35990 | 8a | 10 to 15°F | 19 km |
| 35097 | 8a | 10 to 15°F | 19 km |
| 35972 | 8a | 10 to 15°F | 20 km |
| 35953 | 8a | 10 to 15°F | 26 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 USC00016121, at 33.9264, -86.4211, elevation 335 m (1,100 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 65.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Pinson (36 km)
- Hanceville (38 km)
- Gadsden (41 km)
- Saint Bernard (45 km)
- Cullman Nahs (46 km)
- Cullman 3 ENE (46 km)
- Guntersville (46 km)
- Guntersville No.2 (46 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.