Dames Quarter, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 66.3 °F (high). Annual precipitation averages 45.9 Inches. Dames Quarter is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.1 °F | 45.0 °F | 3.33 in. |
| February | 31.1 °F | 47.2 °F | 2.93 in. |
| March | 37.7 °F | 54.4 °F | 4.11 in. |
| April | 47.6 °F | 65.6 °F | 3.46 in. |
| May | 57.4 °F | 73.9 °F | 3.66 in. |
| June | 66.7 °F | 82.1 °F | 4.06 in. |
| July | 71.8 °F | 86.7 °F | 4.42 in. |
| August | 70.3 °F | 84.7 °F | 4.77 in. |
| September | 64.2 °F | 79.5 °F | 4.29 in. |
| October | 53.0 °F | 69.1 °F | 4.05 in. |
| November | 42.1 °F | 58.0 °F | 3.14 in. |
| December | 34.7 °F | 49.4 °F | 3.66 in. |
| Annual | 50.6 °F | 66.3 °F | 45.88 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |