Frost dates for Charlotte, TN
At Charlotte, the median last spring frost (32°F) is Apr 11 and the median first fall frost is Oct 26, for a typical growing season of 198 days. For a 90% chance that the last frost has passed, wait until Apr 30. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 11Last spring frost (median)50% chance of 32°F after this date
- Apr 30Safer planting date10% chance of 32°F after this date
- Oct 26First fall frost (median)50% chance of 32°F by this date
- 198 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 | Apr 8 | Apr 25 | May 12 |
| 32°F | Mar 25 | Apr 11 | Apr 30 |
| 28°F | Mar 9 | Mar 29 | Apr 15 |
| 24°F | Feb 26 | Mar 15 | Apr 2 |
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 4 | Oct 17 | Oct 28 |
| 32°F | Oct 15 | Oct 26 | Nov 7 |
| 28°F | Oct 23 | Nov 5 | Nov 21 |
| 24°F | Nov 3 | Nov 17 | Dec 4 |
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 | 152 days | 174 days | 196 days |
| 32°F | 174 days | 198 days | 220 days |
| 28°F | 199 days | 222 days | 245 days |
| 24°F | 225 days | 247 days | 272 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 |
|---|---|---|---|
| 37187 | 7b | 5 to 10°F | 3 km |
| 37036 | 7b | 5 to 10°F | 10 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 USC00401640, at 36.1722, -87.1805, elevation 212 m (694 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 92.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Kingston Springs (10 km)
- Montgomery Bell State Park (12 km)
- Cheatham L&d (17 km)
- Dickson (22 km)
- Fairview Bowie Nat Center (23 km)
- Warner Park (28 km)
- Goodlettsville 7wnw (37 km)
- Franklin Sewage Plant (38 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.