| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 37737 - Friendsville, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 30 | 37 | 45 | 54 | 63 | 67 | 66 | 59 | 46 | 38 | 30 | 47 |
| Avg Max Temp (°F) | 47 | 52 | 61 | 70 | 77 | 85 | 88 | 87 | 81 | 71 | 60 | 50 | 69 |
| Avg Precip (In.) | 4.89 | 4.32 | 5.5 | 4.15 | 4.82 | 4.29 | 4.54 | 3.32 | 3.2 | 2.87 | 4.18 | 4.85 | 50.93 |