Cedar Hill, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.2 °F (low) to 68.4 °F (high). Annual precipitation averages 51.4 Inches. Cedar Hill is located in USDA Plant Hardiness Zone 7a. 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 | 26.6 °F | 44.7 °F | 3.83 in. |
| February | 29.6 °F | 49.5 °F | 4.48 in. |
| March | 36.5 °F | 58.5 °F | 4.68 in. |
| April | 46.2 °F | 69.0 °F | 5.09 in. |
| May | 55.9 °F | 77.1 °F | 5.37 in. |
| June | 64.4 °F | 85.0 °F | 3.99 in. |
| July | 67.8 °F | 88.3 °F | 4.44 in. |
| August | 65.8 °F | 88.1 °F | 3.56 in. |
| September | 58.9 °F | 82.3 °F | 3.83 in. |
| October | 47.4 °F | 71.2 °F | 3.78 in. |
| November | 36.8 °F | 58.7 °F | 3.66 in. |
| December | 30.4 °F | 48.3 °F | 4.64 in. |
| Annual | 47.2 °F | 68.4 °F | 51.35 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |