Doylestown, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 15.1 °C (high). Annual precipitation averages 1014.2 Millimeters. Doylestown is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.2 °C | 0.7 °C | 69.85 mm |
| February | -6.6 °C | 2.3 °C | 52.83 mm |
| March | -2.1 °C | 7.6 °C | 75.69 mm |
| April | 3.9 °C | 15.1 °C | 93.22 mm |
| May | 9.8 °C | 21 °C | 102.11 mm |
| June | 14.9 °C | 25.8 °C | 107.95 mm |
| July | 16.9 °C | 27.8 °C | 103.12 mm |
| August | 15.9 °C | 27.1 °C | 96.52 mm |
| September | 12.1 °C | 23.6 °C | 88.9 mm |
| October | 6 °C | 16.7 °C | 81.53 mm |
| November | 0.6 °C | 9.6 °C | 72.39 mm |
| December | -3.9 °C | 3.4 °C | 70.1 mm |
| Annual | 5 °C | 15.1 °C | 1014.21 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |