Frost dates for Dalton, GA
At Dalton, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 4, for a typical growing season of 214 days. For a 90% chance that the last frost has passed, wait until Apr 21. Nearby ZIP codes are in USDA hardiness zone 8a.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 21Safer planting date10% chance of 32°F after this date
- Nov 4First 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 16 | Apr 30 |
| 32°F | Mar 16 | Apr 2 | Apr 21 |
| 28°F | Feb 28 | Mar 19 | Apr 6 |
| 24°F | Feb 13 | Mar 6 | 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 13 | Oct 26 | Nov 7 |
| 32°F | Oct 22 | Nov 4 | Nov 17 |
| 28°F | Oct 31 | Nov 15 | Dec 2 |
| 24°F | Nov 12 | Dec 1 | Dec 26 |
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 | 191 days | 213 days |
| 32°F | 191 days | 214 days | 238 days |
| 28°F | 218 days | 241 days | 267 days |
| 24°F | 242 days | 271 days | 300 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 |
|---|---|---|---|
| 30721 | 8a | 10 to 15°F | 3 km |
| 30720 | 8a | 10 to 15°F | 11 km |
| 30756 | 8a | 10 to 15°F | 17 km |
| 30740 | 8a | 10 to 15°F | 17 km |
| 30755 | 8a | 10 to 15°F | 18 km |
| 30735 | 8a | 10 to 15°F | 19 km |
| 30710 | 8a | 10 to 15°F | 19 km |
| 30746 | 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 USC00092493, at 34.7700, -84.8872, elevation 244 m (799 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 63.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Chatsworth 2 (11 km)
- Chickamauga Pk Larc (39 km)
- Chickamauga 2 SW (40 km)
- Jasper 1 NNW (52 km)
- Rome R B Russell Airport (53 km)
- Summerville (58 km)
- Cartersville (64 km)
- Rome (64 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.