Eagle Harbor, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.9 °F (low) to 66.9 °F (high). Annual precipitation averages 46.1 Inches. Eagle Harbor is located in USDA Plant Hardiness Zone 7b. 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 | 27.1 °F | 44.9 °F | 3.13 in. |
| February | 27.9 °F | 48.1 °F | 2.77 in. |
| March | 34.5 °F | 56.2 °F | 3.91 in. |
| April | 44.9 °F | 67.6 °F | 3.22 in. |
| May | 54.6 °F | 75.4 °F | 4.31 in. |
| June | 63.3 °F | 83.3 °F | 4.32 in. |
| July | 68.0 °F | 87.4 °F | 4.44 in. |
| August | 66.3 °F | 85.7 °F | 4.43 in. |
| September | 59.8 °F | 79.5 °F | 4.56 in. |
| October | 48.0 °F | 68.6 °F | 4.07 in. |
| November | 38.0 °F | 57.6 °F | 3.18 in. |
| December | 30.9 °F | 49.0 °F | 3.77 in. |
| Annual | 46.9 °F | 66.9 °F | 46.11 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |