Hickman, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.3 °F (low) to 69.8 °F (high). Annual precipitation averages 55.7 Inches. Hickman is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.7 °F | 47.2 °F | 4.6 in. |
| February | 30.1 °F | 51.6 °F | 4.9 in. |
| March | 36.9 °F | 60.5 °F | 4.98 in. |
| April | 45.3 °F | 70.4 °F | 4.82 in. |
| May | 55.1 °F | 78.5 °F | 5.03 in. |
| June | 63.8 °F | 85.7 °F | 5.53 in. |
| July | 67.8 °F | 89.0 °F | 4.94 in. |
| August | 66.2 °F | 88.5 °F | 4.02 in. |
| September | 59.1 °F | 83.1 °F | 3.95 in. |
| October | 47.2 °F | 72.4 °F | 3.4 in. |
| November | 36.8 °F | 60.1 °F | 3.87 in. |
| December | 31.1 °F | 50.6 °F | 5.62 in. |
| Annual | 47.3 °F | 69.8 °F | 55.66 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |