Frost dates for Atlanta Fulton Co Airport, GA
At Atlanta Fulton Co Airport, the median last spring frost (32°F) is Mar 24 and the median first fall frost is Nov 8, for a typical growing season of 231 days. For a 90% chance that the last frost has passed, wait until Apr 10. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 24Last spring frost (median)50% chance of 32°F after this date
- Apr 10Safer planting date10% chance of 32°F after this date
- Nov 8First fall frost (median)50% chance of 32°F by this date
- 231 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 21 | Apr 7 | Apr 22 |
| 32°F | Mar 2 | Mar 24 | Apr 10 |
| 28°F | Feb 15 | Mar 9 | Mar 27 |
| 24°F | Jan 22 | Feb 19 | Mar 15 |
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 29 | Nov 11 |
| 32°F | Oct 27 | Nov 8 | Nov 26 |
| 28°F | Nov 4 | Nov 20 | Dec 14 |
| 24°F | Nov 15 | Dec 7 | 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 | 186 days | 206 days | 228 days |
| 32°F | 207 days | 231 days | 258 days |
| 28°F | 231 days | 259 days | 290 days |
| 24°F | 261 days | 295 days | 333 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 |
|---|---|---|---|
| 30168 | 8a | 10 to 15°F | 6 km |
| 30336 | 8a | 10 to 15°F | 7 km |
| 30318 | 8a | 10 to 15°F | 7 km |
| 30311 | 8a | 10 to 15°F | 8 km |
| 30331 | 8a | 10 to 15°F | 8 km |
| 30314 | 8a | 10 to 15°F | 9 km |
| 30310 | 8a | 10 to 15°F | 10 km |
| 30122 | 8a | 10 to 15°F | 11 km |
| 30363 | 8a | 10 to 15°F | 11 km |
| 30313 | 8a | 10 to 15°F | 12 km |
| 30303 | 8a | 10 to 15°F | 12 km |
| 30308 | 8a | 10 to 15°F | 13 km |
| 30312 | 8a | 10 to 15°F | 14 km |
| 30135 | 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 USW00003888, at 33.7792, -84.5214, elevation 256 m (840 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 52.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Mableton 1 N (10 km)
- Atlanta Hartsfield Intl Airport (18 km)
- Atlanta Peachtree Airport (23 km)
- Jonesboro (32 km)
- Dallas 7 NE (32 km)
- Atlanta (46 km)
- Allatoona Dam 2 (47 km)
- Cartersville Airport (49 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.