Batavia, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 18.5 °C (high). Annual precipitation averages 1146.8 Millimeters. Batavia is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 4.5 °C | 82.04 mm |
| February | -3.4 °C | 6.9 °C | 74.93 mm |
| March | 0.5 °C | 12.2 °C | 106.43 mm |
| April | 6.1 °C | 19 °C | 116.08 mm |
| May | 11.8 °C | 24 °C | 124.21 mm |
| June | 16.7 °C | 28.6 °C | 118.36 mm |
| July | 18.8 °C | 30.3 °C | 109.22 mm |
| August | 17.9 °C | 29.9 °C | 92.2 mm |
| September | 13.4 °C | 26.7 °C | 76.2 mm |
| October | 7 °C | 20.2 °C | 76.2 mm |
| November | 1.3 °C | 12.7 °C | 81.79 mm |
| December | -2.1 °C | 6.8 °C | 89.15 mm |
| Annual | 6.9 °C | 18.5 °C | 1146.81 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |