Ridgeville, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.3 °F (low) to 61 °F (high). Annual precipitation averages 40.2 Inches. Ridgeville 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 | 18.2 °F | 34.0 °F | 2.74 in. |
| February | 20.7 °F | 38.0 °F | 2.32 in. |
| March | 29.3 °F | 48.4 °F | 3.21 in. |
| April | 39.7 °F | 61.6 °F | 4.0 in. |
| May | 51.0 °F | 72.3 °F | 4.25 in. |
| June | 60.4 °F | 80.7 °F | 4.44 in. |
| July | 63.0 °F | 83.8 °F | 3.99 in. |
| August | 60.8 °F | 82.4 °F | 3.52 in. |
| September | 53.4 °F | 77.1 °F | 3.12 in. |
| October | 42.6 °F | 64.8 °F | 2.87 in. |
| November | 32.4 °F | 50.6 °F | 3.13 in. |
| December | 24.2 °F | 38.8 °F | 2.63 in. |
| Annual | 41.3 °F | 61 °F | 40.22 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |