Damascus, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.8 °F (low) to 78 °F (high). Annual precipitation averages 54.5 Inches. Damascus is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.5 °F | 61.3 °F | 4.94 in. |
| February | 40.6 °F | 64.8 °F | 4.88 in. |
| March | 46.3 °F | 71.9 °F | 5.31 in. |
| April | 53.0 °F | 78.2 °F | 4.38 in. |
| May | 61.9 °F | 85.5 °F | 2.96 in. |
| June | 69.4 °F | 90.1 °F | 5.39 in. |
| July | 71.4 °F | 91.6 °F | 5.63 in. |
| August | 70.9 °F | 90.8 °F | 5.41 in. |
| September | 66.2 °F | 87.4 °F | 4.39 in. |
| October | 55.6 °F | 80.1 °F | 2.73 in. |
| November | 44.6 °F | 70.6 °F | 3.51 in. |
| December | 39.7 °F | 63.3 °F | 4.92 in. |
| Annual | 54.8 °F | 78 °F | 54.45 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |