Frost dates for Newnan 7 WNW, GA
At Newnan 7 WNW, the median last spring frost (32°F) is Apr 3 and the median first fall frost is Nov 2, for a typical growing season of 214 days. For a 90% chance that the last frost has passed, wait until Apr 18. Nearby ZIP codes are in USDA hardiness zone 8a.
- Apr 3Last spring frost (median)50% chance of 32°F after this date
- Apr 18Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 214 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 31 | Apr 14 | May 1 |
| 32°F | Mar 16 | Apr 3 | Apr 18 |
| 28°F | Feb 28 | Mar 21 | Apr 8 |
| 24°F | Feb 10 | Mar 9 | Mar 27 |
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 13 | Oct 25 | Nov 5 |
| 32°F | Oct 22 | Nov 2 | Nov 18 |
| 28°F | Nov 1 | Nov 15 | Dec 3 |
| 24°F | Nov 9 | Dec 1 | Dec 29 |
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 | 172 days | 194 days | 213 days |
| 32°F | 193 days | 214 days | 237 days |
| 28°F | 215 days | 239 days | 266 days |
| 24°F | 240 days | 269 days | 302 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 |
|---|---|---|---|
| 30263 | 8a | 10 to 15°F | 5 km |
| 30275 | 8a | 10 to 15°F | 6 km |
| 30185 | 8a | 10 to 15°F | 13 km |
| 30220 | 8a | 10 to 15°F | 21 km |
| 30268 | 8a | 10 to 15°F | 24 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 USC00096335, at 33.3997, -84.9150, elevation 242 m (795 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 60.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Carrollton (27 km)
- Atlanta (33 km)
- La Grange 1n (40 km)
- Atlanta Hartsfield Intl Airport (51 km)
- Jonesboro (54 km)
- Atlanta Fulton Co Airport (56 km)
- Mableton 1 N (59 km)
- Experiment (61 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.