Cumberland, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.2 °F (low) to 65.6 °F (high). Annual precipitation averages 39.7 Inches. Cumberland is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.8 °F | 40.8 °F | 2.66 in. |
| February | 25.4 °F | 44.8 °F | 2.51 in. |
| March | 31.7 °F | 53.7 °F | 3.51 in. |
| April | 41.0 °F | 67.1 °F | 3.54 in. |
| May | 50.6 °F | 75.8 °F | 4.33 in. |
| June | 59.5 °F | 83.4 °F | 4.13 in. |
| July | 63.6 °F | 87.9 °F | 3.59 in. |
| August | 62.0 °F | 86.2 °F | 3.17 in. |
| September | 55.1 °F | 79.6 °F | 3.75 in. |
| October | 43.4 °F | 67.8 °F | 2.82 in. |
| November | 33.9 °F | 55.2 °F | 2.6 in. |
| December | 27.9 °F | 44.5 °F | 3.04 in. |
| Annual | 43.2 °F | 65.6 °F | 39.65 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |