Carney, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.5 °F (low) to 65.5 °F (high). Annual precipitation averages 49.1 Inches. Carney 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.6 °F | 42.4 °F | 3.48 in. |
| February | 27.0 °F | 45.2 °F | 2.96 in. |
| March | 33.7 °F | 53.4 °F | 4.39 in. |
| April | 44.3 °F | 65.5 °F | 3.8 in. |
| May | 53.9 °F | 74.4 °F | 4.33 in. |
| June | 63.2 °F | 83.1 °F | 4.38 in. |
| July | 68.4 °F | 87.5 °F | 4.55 in. |
| August | 66.4 °F | 85.6 °F | 4.26 in. |
| September | 59.7 °F | 78.9 °F | 4.85 in. |
| October | 47.9 °F | 67.6 °F | 4.57 in. |
| November | 37.4 °F | 56.4 °F | 3.43 in. |
| December | 30.1 °F | 46.5 °F | 4.13 in. |
| Annual | 46.5 °F | 65.5 °F | 49.13 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |