Hughesville, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7 °C (low) to 18.3 °C (high). Annual precipitation averages 1069.9 Millimeters. Hughesville is located in USDA Plant Hardiness Zone 6b. 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 | -6.6 °C | 3.7 °C | 41.15 mm |
| February | -4.4 °C | 6.4 °C | 50.8 mm |
| March | 0.8 °C | 12.6 °C | 71.63 mm |
| April | 6.4 °C | 18.6 °C | 114.05 mm |
| May | 12.6 °C | 23.7 °C | 134.37 mm |
| June | 17.8 °C | 28.6 °C | 126.49 mm |
| July | 19.9 °C | 30.9 °C | 116.59 mm |
| August | 18.7 °C | 30.4 °C | 99.82 mm |
| September | 13.9 °C | 26.4 °C | 105.41 mm |
| October | 7.3 °C | 19.9 °C | 87.88 mm |
| November | 1.2 °C | 12.4 °C | 69.34 mm |
| December | -3.9 °C | 5.9 °C | 52.32 mm |
| Annual | 7 °C | 18.3 °C | 1069.85 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 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 |