Frost dates for Jasper 1 NNW, GA
At Jasper 1 NNW, the median last spring frost (32°F) is Mar 31 and the median first fall frost is Nov 5, for a typical growing season of 221 days. For a 90% chance that the last frost has passed, wait until Apr 18. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Mar 31Last spring frost (median)50% chance of 32°F after this date
- Apr 18Safer planting date10% chance of 32°F after this date
- Nov 5First fall frost (median)50% chance of 32°F by this date
- 221 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 29 | Apr 14 | May 1 |
| 32°F | Mar 11 | Mar 31 | Apr 18 |
| 28°F | Feb 22 | Mar 17 | Apr 6 |
| 24°F | Feb 3 | Mar 2 | Mar 24 |
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 15 | Oct 27 | Nov 9 |
| 32°F | Oct 24 | Nov 5 | Nov 26 |
| 28°F | Nov 1 | Nov 18 | Dec 8 |
| 24°F | Nov 11 | Dec 3 | Dec 31 |
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 | 174 days | 196 days | 218 days |
| 32°F | 199 days | 221 days | 249 days |
| 28°F | 221 days | 251 days | 281 days |
| 24°F | 248 days | 279 days | 314 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 |
|---|---|---|---|
| 30143 | 8a | 10 to 15°F | 2 km |
| 30175 | 8a | 10 to 15°F | 10 km |
| 30177 | 8a | 10 to 15°F | 10 km |
| 30148 | 8a | 10 to 15°F | 17 km |
| 30107 | 8a | 10 to 15°F | 18 km |
| 30183 | 8a | 10 to 15°F | 21 km |
| 30536 | 7b | 5 to 10°F | 21 km |
| 30539 | 7b | 5 to 10°F | 23 km |
| 30139 | 8a | 10 to 15°F | 24 km |
| 30734 | 8a | 10 to 15°F | 25 km |
| 30522 | 7b | 5 to 10°F | 35 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 USC00094648, at 34.4758, -84.4461, elevation 446 m (1,465 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 61.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cumming 2n (40 km)
- Chatsworth 2 (43 km)
- Allatoona Dam 2 (43 km)
- Cartersville (44 km)
- Dalton (52 km)
- Cartersville Airport (54 km)
- Gainesville (57 km)
- Dallas 7 NE (60 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.