Easton, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9 °C (low) to 19.4 °C (high). Annual precipitation averages 1160.8 Millimeters. Easton 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.1 °C | 7.1 °C | 84.07 mm |
| February | -1.4 °C | 8.4 °C | 72.39 mm |
| March | 2.2 °C | 12.8 °C | 105.16 mm |
| April | 7.7 °C | 19.2 °C | 86.87 mm |
| May | 12.9 °C | 23.9 °C | 100.84 mm |
| June | 18.1 °C | 28.9 °C | 104.65 mm |
| July | 20.7 °C | 31.2 °C | 112.27 mm |
| August | 19.6 °C | 30.1 °C | 115.57 mm |
| September | 15.9 °C | 26.8 °C | 99.57 mm |
| October | 9.8 °C | 20.7 °C | 103.89 mm |
| November | 4.3 °C | 14.7 °C | 81.03 mm |
| December | 0.4 °C | 9.4 °C | 94.49 mm |
| Annual | 9 °C | 19.4 °C | 1160.8 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |