| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71g - Eastern Highland Rim |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 37355 - Manchester, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 30 | 38 | 45 | 54 | 62 | 66 | 65 | 58 | 46 | 38 | 30 | 47 |
| Avg Max Temp (°F) | 47 | 52 | 61 | 70 | 77 | 84 | 87 | 87 | 81 | 71 | 60 | 50 | 69 |
| Avg Precip (In.) | 5.36 | 4.66 | 6.5 | 4.68 | 5.35 | 4.58 | 4.86 | 3.59 | 4.23 | 3.8 | 5.29 | 5.76 | 58.67 |