Bladensburg, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.9 °F (low) to 66.9 °F (high). Annual precipitation averages 45.4 Inches. Bladensburg 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 | 27.5 °F | 44.0 °F | 3.09 in. |
| February | 28.8 °F | 47.2 °F | 2.69 in. |
| March | 35.7 °F | 55.1 °F | 3.93 in. |
| April | 45.7 °F | 67.0 °F | 3.41 in. |
| May | 55.4 °F | 75.4 °F | 4.47 in. |
| June | 64.7 °F | 84.1 °F | 4.62 in. |
| July | 69.5 °F | 88.7 °F | 4.55 in. |
| August | 67.8 °F | 86.8 °F | 3.69 in. |
| September | 61.0 °F | 80.2 °F | 4.38 in. |
| October | 48.9 °F | 68.6 °F | 3.78 in. |
| November | 38.5 °F | 57.6 °F | 3.07 in. |
| December | 31.7 °F | 47.9 °F | 3.71 in. |
| Annual | 47.9 °F | 66.9 °F | 45.39 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 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |