Jackson, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.1 °F (low) to 70.8 °F (high). Annual precipitation averages 56.7 Inches. Jackson 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 | 28.9 °F | 48.0 °F | 4.33 in. |
| February | 32.0 °F | 52.6 °F | 5.03 in. |
| March | 39.4 °F | 61.8 °F | 5.65 in. |
| April | 48.2 °F | 72.1 °F | 5.29 in. |
| May | 58.2 °F | 79.6 °F | 5.51 in. |
| June | 66.3 °F | 86.8 °F | 4.83 in. |
| July | 69.6 °F | 89.9 °F | 4.47 in. |
| August | 67.8 °F | 89.5 °F | 3.84 in. |
| September | 60.5 °F | 84.0 °F | 4.11 in. |
| October | 48.4 °F | 73.5 °F | 3.88 in. |
| November | 38.2 °F | 61.0 °F | 4.39 in. |
| December | 31.9 °F | 51.0 °F | 5.37 in. |
| Annual | 49.1 °F | 70.8 °F | 56.7 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 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |