Damascus, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 21.7 °C (high). Annual precipitation averages 1339.1 Millimeters. Damascus 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 | -1.1 °C | 9.3 °C | 92.46 mm |
| February | 0.6 °C | 11.8 °C | 100.33 mm |
| March | 4.8 °C | 16.6 °C | 131.32 mm |
| April | 9.7 °C | 21.9 °C | 136.65 mm |
| May | 14.8 °C | 26.3 °C | 138.68 mm |
| June | 19.3 °C | 30.6 °C | 91.95 mm |
| July | 21.3 °C | 33 °C | 97.28 mm |
| August | 20.8 °C | 32.9 °C | 102.36 mm |
| September | 17 °C | 29.2 °C | 87.38 mm |
| October | 10.3 °C | 22.8 °C | 105.92 mm |
| November | 4.4 °C | 15.8 °C | 131.06 mm |
| December | 0.3 °C | 10.6 °C | 123.7 mm |
| Annual | 10.2 °C | 21.7 °C | 1339.09 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |