Wyaconda, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.6 °C (low) to 16.8 °C (high). Annual precipitation averages 989.3 Millimeters. Wyaconda is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.5 °C | 0.9 °C | 38.1 mm |
| February | -6.8 °C | 3.5 °C | 44.2 mm |
| March | -0.9 °C | 10.5 °C | 59.94 mm |
| April | 5.1 °C | 17.4 °C | 94.49 mm |
| May | 11.4 °C | 22.8 °C | 137.41 mm |
| June | 16.8 °C | 28.1 °C | 126.49 mm |
| July | 18.9 °C | 30.2 °C | 112.01 mm |
| August | 17.7 °C | 29.3 °C | 98.55 mm |
| September | 12.9 °C | 25.6 °C | 95.25 mm |
| October | 6.5 °C | 18.7 °C | 80.01 mm |
| November | 0 °C | 10.5 °C | 58.42 mm |
| December | -5.4 °C | 3.6 °C | 44.45 mm |
| Annual | 5.6 °C | 16.8 °C | 989.32 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |