New Market, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.6 °F (low) to 64.5 °F (high). Annual precipitation averages 45.2 Inches. New Market is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.3 °F | 40.7 °F | 3.19 in. |
| February | 25.9 °F | 44.0 °F | 2.61 in. |
| March | 32.5 °F | 52.7 °F | 3.82 in. |
| April | 42.3 °F | 64.9 °F | 3.46 in. |
| May | 52.1 °F | 73.7 °F | 4.18 in. |
| June | 61.0 °F | 82.3 °F | 4.3 in. |
| July | 65.8 °F | 86.6 °F | 4.66 in. |
| August | 63.9 °F | 84.6 °F | 3.35 in. |
| September | 57.2 °F | 78.0 °F | 4.62 in. |
| October | 45.8 °F | 66.3 °F | 3.94 in. |
| November | 35.8 °F | 55.0 °F | 3.34 in. |
| December | 28.8 °F | 44.8 °F | 3.76 in. |
| Annual | 44.6 °F | 64.5 °F | 45.23 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |