Lookout Mountain, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.7 °F (low) to 66.8 °F (high). Annual precipitation averages 62.3 Inches. Lookout Mountain 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 | 28.4 °F | 45.4 °F | 5.97 in. |
| February | 31.5 °F | 49.7 °F | 5.97 in. |
| March | 38.5 °F | 58.4 °F | 5.98 in. |
| April | 46.9 °F | 68.5 °F | 5.38 in. |
| May | 55.4 °F | 75.4 °F | 4.89 in. |
| June | 62.7 °F | 81.8 °F | 4.48 in. |
| July | 65.9 °F | 84.9 °F | 4.95 in. |
| August | 65.0 °F | 84.4 °F | 3.87 in. |
| September | 59.3 °F | 79.2 °F | 4.9 in. |
| October | 48.2 °F | 68.8 °F | 3.89 in. |
| November | 38.7 °F | 57.1 °F | 5.36 in. |
| December | 32.3 °F | 48.1 °F | 6.64 in. |
| Annual | 47.7 °F | 66.8 °F | 62.28 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |