Kitzmiller, Maryland has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.9 °C (low) to 16 °C (high). Annual precipitation averages 1153.1 Millimeters. Kitzmiller is located in USDA Plant Hardiness Zone 6b. 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 | -6.9 °C | 2.6 °C | 85.34 mm |
| February | -6.1 °C | 4.7 °C | 77.72 mm |
| March | -2.6 °C | 9.3 °C | 99.82 mm |
| April | 2.7 °C | 16.8 °C | 104.39 mm |
| May | 8.1 °C | 21.6 °C | 122.68 mm |
| June | 12.8 °C | 25.7 °C | 135.13 mm |
| July | 15.1 °C | 27.9 °C | 104.39 mm |
| August | 14.2 °C | 27.2 °C | 89.41 mm |
| September | 10.3 °C | 23.8 °C | 92.96 mm |
| October | 4.4 °C | 17.4 °C | 81.28 mm |
| November | -0.8 °C | 10.4 °C | 75.18 mm |
| December | -4.4 °C | 4.8 °C | 84.84 mm |
| Annual | 3.9 °C | 16 °C | 1153.14 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 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |