Covington, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 70.4 °F (high). Annual precipitation averages 54.9 Inches. Covington is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.9 °F | 47.1 °F | 4.15 in. |
| February | 33.2 °F | 52.1 °F | 4.53 in. |
| March | 40.6 °F | 61.1 °F | 5.29 in. |
| April | 50.0 °F | 71.1 °F | 5.32 in. |
| May | 60.2 °F | 79.7 °F | 5.67 in. |
| June | 68.1 °F | 87.2 °F | 4.42 in. |
| July | 71.1 °F | 89.8 °F | 4.3 in. |
| August | 68.9 °F | 89.1 °F | 3.36 in. |
| September | 61.6 °F | 83.6 °F | 3.66 in. |
| October | 50.1 °F | 73.4 °F | 3.77 in. |
| November | 40.1 °F | 60.6 °F | 4.71 in. |
| December | 32.9 °F | 50.4 °F | 5.73 in. |
| Annual | 50.6 °F | 70.4 °F | 54.91 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |