Frost dates for Dothan Regional Airport, AL
At Dothan Regional Airport, the median last spring frost (32°F) is Mar 1 and the median first fall frost is Nov 24, for a typical growing season of 270 days. For a 90% chance that the last frost has passed, wait until Mar 21. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Mar 1Last spring frost (median)50% chance of 32°F after this date
- Mar 21Safer planting date10% chance of 32°F after this date
- Nov 24First fall frost (median)50% chance of 32°F by this date
- 270 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 | Feb 23 | Mar 15 | Apr 1 |
| 32°F | Feb 3 | Mar 1 | Mar 21 |
| 28°F | Jan 14 | Feb 12 | Mar 11 |
| 24°F | Dec 30 | Jan 29 | Feb 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 30 | Nov 12 | Dec 1 |
| 32°F | Nov 7 | Nov 24 | Dec 24 |
| 28°F | Nov 17 | Dec 16 | Jan 17 |
| 24°F | Dec 2 | Jan 4 | Feb 3 |
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 | 219 days | 242 days | 269 days |
| 32°F | 240 days | 270 days | 303 days |
| 28°F | 267 days | 304 days | 339 days |
| 24°F | 302 days | 337 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 96% |
| 24°F | 81% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 36350 | 9a | 20 to 25°F | 5 km |
| 36303 | 9a | 20 to 25°F | 9 km |
| 36371 | 9a | 20 to 25°F | 9 km |
| 36305 | 9a | 20 to 25°F | 14 km |
| 36352 | 8b | 15 to 20°F | 16 km |
| 36301 | 9a | 20 to 25°F | 20 km |
| 36360 | 8b | 15 to 20°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 USW00013839, at 31.3214, -85.4497, elevation 113 m (370 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 21.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Headland (11 km)
- Enterprise 4 W (43 km)
- Geneva #2 (51 km)
- Clayton (61 km)
- Troy (73 km)
- Troy 2 W (74 km)
- Weedon Field Airport (76 km)
- Troy Muni Airport (80 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.