Urbana, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.6 °F (low) to 61.2 °F (high). Annual precipitation averages 42.8 Inches. Urbana is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.3 °F | 34.7 °F | 3.02 in. |
| February | 21.5 °F | 38.4 °F | 2.32 in. |
| March | 29.5 °F | 48.6 °F | 3.14 in. |
| April | 39.7 °F | 61.6 °F | 4.25 in. |
| May | 50.9 °F | 72.0 °F | 4.89 in. |
| June | 60.1 °F | 80.9 °F | 4.42 in. |
| July | 63.1 °F | 83.9 °F | 4.91 in. |
| August | 61.0 °F | 82.7 °F | 3.48 in. |
| September | 54.0 °F | 76.9 °F | 3.27 in. |
| October | 42.7 °F | 64.5 °F | 2.84 in. |
| November | 32.6 °F | 50.6 °F | 3.15 in. |
| December | 25.0 °F | 39.3 °F | 3.1 in. |
| Annual | 41.6 °F | 61.2 °F | 42.79 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |