Wabash, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.9 °F (low) to 60.7 °F (high). Annual precipitation averages 41.1 Inches. Wabash 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 | 17.7 °F | 33.1 °F | 2.7 in. |
| February | 20.1 °F | 37.1 °F | 2.27 in. |
| March | 28.7 °F | 48.1 °F | 2.79 in. |
| April | 39.0 °F | 61.1 °F | 3.82 in. |
| May | 50.3 °F | 72.3 °F | 4.43 in. |
| June | 59.9 °F | 81.0 °F | 5.13 in. |
| July | 63.0 °F | 83.9 °F | 4.27 in. |
| August | 61.0 °F | 82.4 °F | 4.06 in. |
| September | 53.5 °F | 77.1 °F | 3.12 in. |
| October | 42.2 °F | 64.4 °F | 2.95 in. |
| November | 32.2 °F | 50.0 °F | 3.1 in. |
| December | 23.5 °F | 37.9 °F | 2.41 in. |
| Annual | 40.9 °F | 60.7 °F | 41.05 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 |