Batavia, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.5 °F (low) to 65.3 °F (high). Annual precipitation averages 45.2 Inches. 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 | 23.4 °F | 40.1 °F | 3.23 in. |
| February | 25.8 °F | 44.4 °F | 2.95 in. |
| March | 32.9 °F | 54.0 °F | 4.19 in. |
| April | 42.9 °F | 66.2 °F | 4.57 in. |
| May | 53.2 °F | 75.2 °F | 4.89 in. |
| June | 62.1 °F | 83.4 °F | 4.66 in. |
| July | 65.8 °F | 86.6 °F | 4.3 in. |
| August | 64.2 °F | 85.9 °F | 3.63 in. |
| September | 56.2 °F | 80.0 °F | 3.0 in. |
| October | 44.6 °F | 68.3 °F | 3.0 in. |
| November | 34.3 °F | 54.8 °F | 3.22 in. |
| December | 28.3 °F | 44.2 °F | 3.51 in. |
| Annual | 44.5 °F | 65.3 °F | 45.15 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |