Parsonsburg, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.5 °F (low) to 67.2 °F (high). Annual precipitation averages 46.9 Inches. Parsonsburg 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 | 26.9 °F | 45.9 °F | 3.53 in. |
| February | 27.9 °F | 48.4 °F | 2.95 in. |
| March | 34.3 °F | 55.4 °F | 4.1 in. |
| April | 44.0 °F | 66.4 °F | 3.5 in. |
| May | 53.4 °F | 74.9 °F | 3.65 in. |
| June | 62.7 °F | 83.0 °F | 4.11 in. |
| July | 67.7 °F | 87.6 °F | 4.27 in. |
| August | 65.4 °F | 85.5 °F | 5.13 in. |
| September | 59.5 °F | 80.2 °F | 4.58 in. |
| October | 47.7 °F | 69.7 °F | 4.0 in. |
| November | 37.5 °F | 59.2 °F | 3.37 in. |
| December | 31.0 °F | 50.3 °F | 3.73 in. |
| Annual | 46.5 °F | 67.2 °F | 46.92 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |