Mount Airy, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.6 °F (low) to 69.1 °F (high). Annual precipitation averages 58.6 Inches. Mount Airy 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 | 30.9 °F | 50.0 °F | 5.4 in. |
| February | 33.8 °F | 53.7 °F | 5.01 in. |
| March | 39.3 °F | 61.1 °F | 5.5 in. |
| April | 47.1 °F | 69.8 °F | 4.4 in. |
| May | 55.4 °F | 76.4 °F | 3.95 in. |
| June | 63.0 °F | 82.8 °F | 5.1 in. |
| July | 66.5 °F | 86.0 °F | 4.89 in. |
| August | 65.7 °F | 84.7 °F | 5.51 in. |
| September | 59.8 °F | 79.8 °F | 4.34 in. |
| October | 48.8 °F | 70.9 °F | 4.59 in. |
| November | 38.8 °F | 60.9 °F | 4.45 in. |
| December | 34.0 °F | 52.7 °F | 5.48 in. |
| Annual | 48.6 °F | 69.1 °F | 58.62 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |