Mooresburg, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.9 °F (low) to 69 °F (high). Annual precipitation averages 46.8 Inches. Mooresburg 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 | 27.4 °F | 46.6 °F | 4.3 in. |
| February | 30.5 °F | 51.2 °F | 4.24 in. |
| March | 36.5 °F | 60.2 °F | 4.43 in. |
| April | 45.2 °F | 70.2 °F | 4.37 in. |
| May | 54.9 °F | 77.8 °F | 3.78 in. |
| June | 63.2 °F | 85.0 °F | 4.1 in. |
| July | 67.0 °F | 87.6 °F | 4.59 in. |
| August | 65.5 °F | 87.1 °F | 3.29 in. |
| September | 59.2 °F | 81.9 °F | 3.08 in. |
| October | 46.7 °F | 71.2 °F | 2.49 in. |
| November | 36.2 °F | 59.4 °F | 3.33 in. |
| December | 30.9 °F | 49.9 °F | 4.82 in. |
| Annual | 46.9 °F | 69 °F | 46.82 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 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |