Myersville, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.6 °C (low) to 18 °C (high). Annual precipitation averages 1105.4 Millimeters. Myersville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.3 °C | 4.8 °C | 80.01 mm |
| February | -3.8 °C | 6.9 °C | 63.75 mm |
| March | 0.4 °C | 11.4 °C | 94.23 mm |
| April | 5.4 °C | 18.2 °C | 96.77 mm |
| May | 10.7 °C | 23.1 °C | 111.25 mm |
| June | 15.7 °C | 27.8 °C | 99.82 mm |
| July | 18 °C | 30.3 °C | 99.06 mm |
| August | 17.1 °C | 29.3 °C | 88.39 mm |
| September | 13.2 °C | 25.4 °C | 108.97 mm |
| October | 7.4 °C | 19.1 °C | 94.49 mm |
| November | 1.7 °C | 12.7 °C | 82.3 mm |
| December | -2.4 °C | 6.7 °C | 86.36 mm |
| Annual | 6.6 °C | 18 °C | 1105.4 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |