Rockford, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.3 °F (low) to 69.9 °F (high). Annual precipitation averages 53.7 Inches. Rockford 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.7 °F | 47.8 °F | 5.0 in. |
| February | 31.8 °F | 52.4 °F | 4.82 in. |
| March | 38.2 °F | 61.2 °F | 5.06 in. |
| April | 46.8 °F | 70.6 °F | 4.94 in. |
| May | 56.2 °F | 78.5 °F | 4.17 in. |
| June | 64.4 °F | 85.4 °F | 4.41 in. |
| July | 68.4 °F | 88.3 °F | 5.49 in. |
| August | 67.2 °F | 87.8 °F | 3.38 in. |
| September | 60.9 °F | 83.0 °F | 3.67 in. |
| October | 48.4 °F | 72.1 °F | 3.18 in. |
| November | 37.0 °F | 60.3 °F | 4.26 in. |
| December | 32.1 °F | 51.2 °F | 5.34 in. |
| Annual | 48.3 °F | 69.9 °F | 53.72 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |