Wardsville, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.1 °C (low) to 18.6 °C (high). Annual precipitation averages 1132.8 Millimeters. Wardsville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6 °C | 4.3 °C | 55.63 mm |
| February | -3.9 °C | 7.1 °C | 54.61 mm |
| March | 0.9 °C | 13 °C | 84.33 mm |
| April | 6.7 °C | 19.2 °C | 122.68 mm |
| May | 12.6 °C | 23.9 °C | 135.89 mm |
| June | 17.4 °C | 28.5 °C | 113.28 mm |
| July | 19.8 °C | 30.9 °C | 117.6 mm |
| August | 18.6 °C | 30.6 °C | 103.12 mm |
| September | 13.8 °C | 26.6 °C | 111.76 mm |
| October | 7.3 °C | 20.1 °C | 89.92 mm |
| November | 1.3 °C | 12.8 °C | 82.55 mm |
| December | -3.7 °C | 6.6 °C | 61.47 mm |
| Annual | 7.1 °C | 18.6 °C | 1132.84 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |