Fulton, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.4 °F (low) to 66 °F (high). Annual precipitation averages 47.3 Inches. Fulton is located in USDA Plant Hardiness Zone 7b. 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 | 25.1 °F | 42.8 °F | 3.24 in. |
| February | 26.4 °F | 46.0 °F | 2.93 in. |
| March | 33.2 °F | 54.7 °F | 4.2 in. |
| April | 43.2 °F | 66.5 °F | 3.65 in. |
| May | 53.3 °F | 75.0 °F | 4.56 in. |
| June | 61.8 °F | 83.4 °F | 4.63 in. |
| July | 66.6 °F | 87.6 °F | 4.45 in. |
| August | 64.9 °F | 85.8 °F | 3.8 in. |
| September | 58.2 °F | 79.3 °F | 4.66 in. |
| October | 46.5 °F | 67.7 °F | 4.03 in. |
| November | 36.6 °F | 56.7 °F | 3.3 in. |
| December | 29.5 °F | 46.9 °F | 3.88 in. |
| Annual | 45.4 °F | 66 °F | 47.33 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 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 |