Frost dates for Cullman 3 ENE, AL
At Cullman 3 ENE, the median last spring frost (32°F) is Apr 5 and the median first fall frost is Nov 1, for a typical growing season of 210 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 5Last 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
- 210 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 | Apr 2 | Apr 19 | May 4 |
| 32°F | Mar 16 | Apr 5 | Apr 22 |
| 28°F | Feb 26 | Mar 21 | Apr 7 |
| 24°F | Feb 8 | Mar 7 | Mar 26 |
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 10 | Oct 22 | Nov 4 |
| 32°F | Oct 19 | Nov 1 | Nov 14 |
| 28°F | Oct 29 | Nov 11 | Nov 28 |
| 24°F | Nov 6 | Nov 24 | Dec 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 | 168 days | 188 days | 207 days |
| 32°F | 189 days | 210 days | 233 days |
| 28°F | 211 days | 235 days | 263 days |
| 24°F | 237 days | 265 days | 298 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 |
|---|---|---|---|
| 35058 | 8a | 10 to 15°F | 8 km |
| 35621 | 8a | 10 to 15°F | 17 km |
| 35179 | 8a | 10 to 15°F | 18 km |
| 35083 | 8a | 10 to 15°F | 19 km |
| 35019 | 8a | 10 to 15°F | 19 km |
| 35622 | 8a | 10 to 15°F | 19 km |
| 35087 | 8a | 10 to 15°F | 23 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 USW00063867, at 34.1953, -86.7964, elevation 244 m (800 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 70.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cullman Nahs (0 km)
- Saint Bernard (3 km)
- Hanceville (14 km)
- Addison (36 km)
- Decatur 4se (44 km)
- Guntersville (46 km)
- Guntersville No.2 (46 km)
- Oneonta (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.