Friendship, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.8 °F (low) to 67 °F (high). Annual precipitation averages 45.7 Inches. Friendship 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 | 28.0 °F | 44.9 °F | 3.09 in. |
| February | 28.8 °F | 47.7 °F | 2.7 in. |
| March | 35.5 °F | 55.7 °F | 4.01 in. |
| April | 45.7 °F | 66.9 °F | 3.19 in. |
| May | 55.6 °F | 75.2 °F | 4.3 in. |
| June | 65.2 °F | 83.6 °F | 4.4 in. |
| July | 70.1 °F | 87.7 °F | 4.49 in. |
| August | 68.8 °F | 86.1 °F | 4.17 in. |
| September | 62.7 °F | 79.9 °F | 4.42 in. |
| October | 51.4 °F | 69.0 °F | 4.08 in. |
| November | 41.3 °F | 58.4 °F | 3.2 in. |
| December | 33.0 °F | 49.0 °F | 3.66 in. |
| Annual | 48.8 °F | 67 °F | 45.71 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 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |