Finzel, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.7 °C (low) to 14.1 °C (high). Annual precipitation averages 1204.5 Millimeters. Finzel is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.2 °C | 0.8 °C | 92.2 mm |
| February | -7.2 °C | 2.5 °C | 84.07 mm |
| March | -3.6 °C | 7.3 °C | 105.92 mm |
| April | 2.6 °C | 14.7 °C | 107.95 mm |
| May | 8.1 °C | 19.6 °C | 133.1 mm |
| June | 12.9 °C | 23.8 °C | 123.44 mm |
| July | 15.1 °C | 25.8 °C | 98.55 mm |
| August | 14.5 °C | 25.2 °C | 93.22 mm |
| September | 10.9 °C | 21.8 °C | 104.39 mm |
| October | 5 °C | 15.6 °C | 86.36 mm |
| November | -0.6 °C | 8.9 °C | 81.03 mm |
| December | -5 °C | 3.2 °C | 94.23 mm |
| Annual | 3.7 °C | 14.1 °C | 1204.46 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |