Waveland, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.1 °C (low) to 16.5 °C (high). Annual precipitation averages 1092.5 Millimeters. Waveland 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 | -7.7 °C | 1.4 °C | 70.87 mm |
| February | -6.2 °C | 3.9 °C | 59.94 mm |
| March | -1.2 °C | 10 °C | 78.49 mm |
| April | 4.6 °C | 16.8 °C | 114.3 mm |
| May | 10.7 °C | 22.7 °C | 117.35 mm |
| June | 15.8 °C | 27.4 °C | 129.79 mm |
| July | 17.3 °C | 28.8 °C | 109.73 mm |
| August | 16 °C | 28.1 °C | 87.38 mm |
| September | 11.7 °C | 25.3 °C | 82.55 mm |
| October | 5.6 °C | 18.6 °C | 84.58 mm |
| November | -0.1 °C | 10.6 °C | 85.6 mm |
| December | -4.8 °C | 3.9 °C | 71.88 mm |
| Annual | 5.1 °C | 16.5 °C | 1092.46 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |