Belvidere, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.4 °F (low) to 69.2 °F (high). Annual precipitation averages 57.8 Inches. Belvidere is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.7 °F | 48.0 °F | 5.35 in. |
| February | 31.9 °F | 52.3 °F | 5.1 in. |
| March | 38.7 °F | 60.6 °F | 5.29 in. |
| April | 47.6 °F | 70.0 °F | 5.5 in. |
| May | 56.4 °F | 77.5 °F | 4.48 in. |
| June | 64.3 °F | 84.0 °F | 5.82 in. |
| July | 67.6 °F | 87.1 °F | 4.47 in. |
| August | 66.4 °F | 86.8 °F | 3.82 in. |
| September | 60.0 °F | 81.6 °F | 4.41 in. |
| October | 48.2 °F | 71.7 °F | 3.33 in. |
| November | 37.8 °F | 60.1 °F | 4.28 in. |
| December | 32.5 °F | 51.0 °F | 5.98 in. |
| Annual | 48.4 °F | 69.2 °F | 57.83 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |