Frost dates for Savannah 6 SW, TN
At Savannah 6 SW, the median last spring frost (32°F) is Mar 31 and the median first fall frost is Nov 1, for a typical growing season of 212 days. For a 90% chance that the last frost has passed, wait until Apr 15. Nearby ZIP codes are in USDA hardiness zone 7b.
- Mar 31Last spring frost (median)50% chance of 32°F after this date
- Apr 15Safer planting date10% chance of 32°F after this date
- Nov 1First fall frost (median)50% chance of 32°F by this date
- 212 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 28 | Apr 12 | Apr 28 |
| 32°F | Mar 13 | Mar 31 | Apr 15 |
| 28°F | Feb 28 | Mar 18 | Apr 5 |
| 24°F | Feb 14 | Mar 5 | 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 10 | Oct 23 | Nov 4 |
| 32°F | Oct 18 | Nov 1 | Nov 16 |
| 28°F | Oct 25 | Nov 11 | Dec 1 |
| 24°F | Nov 4 | Nov 23 | Dec 17 |
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 | 193 days | 212 days |
| 32°F | 192 days | 212 days | 236 days |
| 28°F | 212 days | 236 days | 265 days |
| 24°F | 234 days | 263 days | 295 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 |
|---|---|---|---|
| 38376 | 7b | 5 to 10°F | 3 km |
| 38327 | 7b | 5 to 10°F | 8 km |
| 38379 | 7b | 5 to 10°F | 10 km |
| 38326 | 7b | 5 to 10°F | 12 km |
| 38365 | 7b | 5 to 10°F | 13 km |
| 38357 | 7b | 5 to 10°F | 14 km |
| 38310 | 7b | 5 to 10°F | 14 km |
| 38372 | 7b | 5 to 10°F | 15 km |
| 38361 | 7b | 5 to 10°F | 18 km |
| 38359 | 7b | 5 to 10°F | 25 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 USC00408108, at 35.1525, -88.3214, elevation 128 m (420 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 72.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Selmer (25 km)
- Henderson 4 W (49 km)
- Decaturville (53 km)
- Waynesboro (54 km)
- Parsons Water Plant (54 km)
- Lexington (56 km)
- Bolivar Wtr Wks (62 km)
- Mousetail Landing State Park (63 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.