Frost dates for Atlanta, GA
At Atlanta, the median last spring frost (32°F) is Mar 26 and the median first fall frost is Nov 6, for a typical growing season of 226 days. For a 90% chance that the last frost has passed, wait until Apr 13. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 26Last spring frost (median)50% chance of 32°F after this date
- Apr 13Safer planting date10% chance of 32°F after this date
- Nov 6First fall frost (median)50% chance of 32°F by this date
- 226 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 22 | Apr 8 | Apr 23 |
| 32°F | Mar 4 | Mar 26 | Apr 13 |
| 28°F | Feb 13 | Mar 9 | Mar 31 |
| 24°F | Jan 22 | Feb 19 | Mar 16 |
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 10 |
| 32°F | Oct 25 | Nov 6 | Nov 24 |
| 28°F | Nov 4 | Nov 20 | Dec 12 |
| 24°F | Nov 16 | 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 | 183 days | 203 days | 224 days |
| 32°F | 204 days | 226 days | 254 days |
| 28°F | 229 days | 255 days | 288 days |
| 24°F | 259 days | 293 days | 330 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 30269 | 8a | 10 to 15°F | 3 km |
| 30289 | 8a | 10 to 15°F | 8 km |
| 30277 | 8a | 10 to 15°F | 8 km |
| 30215 | 8a | 10 to 15°F | 11 km |
| 30276 | 8a | 10 to 15°F | 11 km |
| 30290 | 8a | 10 to 15°F | 13 km |
| 30205 | 8a | 10 to 15°F | 14 km |
| 30265 | 8a | 10 to 15°F | 15 km |
| 30229 | 8a | 10 to 15°F | 15 km |
| 30259 | 8a | 10 to 15°F | 20 km |
| 30251 | 8a | 10 to 15°F | 22 km |
| 30218 | 8a | 10 to 15°F | 27 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 USW00053819, at 33.3633, -84.5658, elevation 262 m (858 ft).
- Data quality: Representative (10+ years), 20 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
- Jonesboro (27 km)
- Experiment (28 km)
- Atlanta Hartsfield Intl Airport (32 km)
- Newnan 7 WNW (33 km)
- Atlanta Fulton Co Airport (46 km)
- McDonough 5 ENE (51 km)
- The Rock Rch (54 km)
- Carrollton (54 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.