Clearmont, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.4 °C (low) to 16.7 °C (high). Annual precipitation averages 923.6 Millimeters. Clearmont is located in USDA Plant Hardiness Zone 5b. 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 | -10.3 °C | 0.7 °C | 20.32 mm |
| February | -8.2 °C | 3.4 °C | 26.92 mm |
| March | -2 °C | 10.8 °C | 51.05 mm |
| April | 3.8 °C | 17.3 °C | 90.68 mm |
| May | 10.8 °C | 23 °C | 136.91 mm |
| June | 16.6 °C | 28.1 °C | 125.73 mm |
| July | 18.5 °C | 30.1 °C | 128.02 mm |
| August | 16.9 °C | 29.2 °C | 98.3 mm |
| September | 11.7 °C | 25.8 °C | 86.87 mm |
| October | 4.7 °C | 18.9 °C | 74.93 mm |
| November | -2 °C | 10.2 °C | 48.26 mm |
| December | -7.4 °C | 3.2 °C | 35.56 mm |
| Annual | 4.4 °C | 16.7 °C | 923.55 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |