Leesburg, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.8 °F (low) to 62.4 °F (high). Annual precipitation averages 43.7 Inches. Leesburg 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 | 21.4 °F | 37.2 °F | 3.13 in. |
| February | 23.4 °F | 40.8 °F | 2.82 in. |
| March | 31.2 °F | 50.6 °F | 3.93 in. |
| April | 41.3 °F | 63.2 °F | 4.45 in. |
| May | 52.2 °F | 72.5 °F | 4.7 in. |
| June | 60.9 °F | 80.8 °F | 4.61 in. |
| July | 63.6 °F | 83.6 °F | 4.23 in. |
| August | 61.8 °F | 82.7 °F | 3.47 in. |
| September | 54.5 °F | 77.6 °F | 3.13 in. |
| October | 43.7 °F | 65.6 °F | 3.02 in. |
| November | 33.6 °F | 52.5 °F | 2.89 in. |
| December | 26.4 °F | 41.4 °F | 3.28 in. |
| Annual | 42.8 °F | 62.4 °F | 43.66 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 |