Powersville, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.5 °C (low) to 16.1 °C (high). Annual precipitation averages 976.9 Millimeters. Powersville is located in USDA Plant Hardiness Zone 5b. 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 | -10.1 °C | 0.2 °C | 26.42 mm |
| February | -7.9 °C | 3 °C | 35.31 mm |
| March | -2 °C | 10 °C | 57.4 mm |
| April | 4.1 °C | 16.6 °C | 99.57 mm |
| May | 10.4 °C | 22 °C | 140.21 mm |
| June | 15.8 °C | 27.2 °C | 128.27 mm |
| July | 18.2 °C | 29.7 °C | 118.36 mm |
| August | 16.9 °C | 28.8 °C | 107.44 mm |
| September | 12 °C | 24.9 °C | 97.03 mm |
| October | 5.3 °C | 17.9 °C | 76.2 mm |
| November | -1.4 °C | 9.8 °C | 51.05 mm |
| December | -6.9 °C | 3 °C | 39.62 mm |
| Annual | 4.5 °C | 16.1 °C | 976.88 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 5b : -26.1°C to -23.3°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 |