Frost dates for Mc Minnville, TN
At Mc Minnville, the median last spring frost (32°F) is Apr 7 and the median first fall frost is Oct 30, for a typical growing season of 203 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 7Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Oct 30First fall frost (median)50% chance of 32°F by this date
- 203 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 4 | Apr 19 | May 5 |
| 32°F | Mar 20 | Apr 7 | Apr 23 |
| 28°F | Mar 5 | Mar 27 | Apr 13 |
| 24°F | Feb 18 | Mar 12 | Apr 1 |
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 8 | Oct 20 | Nov 1 |
| 32°F | Oct 16 | Oct 30 | Nov 10 |
| 28°F | Oct 25 | Nov 7 | Nov 25 |
| 24°F | Nov 2 | Nov 20 | Dec 9 |
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 | 162 days | 182 days | 202 days |
| 32°F | 182 days | 203 days | 227 days |
| 28°F | 203 days | 227 days | 254 days |
| 24°F | 224 days | 254 days | 280 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 |
|---|---|---|---|
| 37110 | 7b | 5 to 10°F | 5 km |
| 37357 | 7b | 5 to 10°F | 15 km |
| 37394 | 7b | 5 to 10°F | 16 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 USC00405882, at 35.6722, -85.7811, elevation 286 m (940 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 69.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rock Island State Park (20 km)
- Smithville 2 SE (30 km)
- Manchester #2 (33 km)
- Woodbury 1 WNW (33 km)
- Coalmont (35 km)
- Sparta Wastewater Plant (38 km)
- Fall Creek Falls State Park (38 km)
- Wartrace 6e (43 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.