Snow Hill, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 20.2 °C (high). Annual precipitation averages 1191.5 Millimeters. Snow Hill 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 | -2.2 °C | 8.5 °C | 88.65 mm |
| February | -1.7 °C | 9.8 °C | 78.74 mm |
| March | 1.8 °C | 13.6 °C | 107.7 mm |
| April | 6.8 °C | 19.8 °C | 86.87 mm |
| May | 12 °C | 24.4 °C | 89.66 mm |
| June | 17.2 °C | 28.9 °C | 98.81 mm |
| July | 19.9 °C | 31.3 °C | 106.43 mm |
| August | 18.7 °C | 30.2 °C | 121.41 mm |
| September | 15.4 °C | 27.4 °C | 124.21 mm |
| October | 9.1 °C | 21.8 °C | 104.9 mm |
| November | 3.6 °C | 15.7 °C | 83.06 mm |
| December | 0.1 °C | 10.8 °C | 101.09 mm |
| Annual | 8.4 °C | 20.2 °C | 1191.53 mm |
| 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 : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |