Cabool, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.4 °C (low) to 19.3 °C (high). Annual precipitation averages 1184.2 Millimeters. Cabool is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 6.1 °C | 69.85 mm |
| February | -2.9 °C | 8.7 °C | 73.15 mm |
| March | 1.6 °C | 13.9 °C | 110.49 mm |
| April | 7.1 °C | 19.7 °C | 131.57 mm |
| May | 12.2 °C | 24.1 °C | 138.43 mm |
| June | 17.1 °C | 28.4 °C | 100.58 mm |
| July | 19.3 °C | 31 °C | 106.68 mm |
| August | 18.3 °C | 30.7 °C | 86.36 mm |
| September | 14 °C | 26.8 °C | 100.08 mm |
| October | 7.6 °C | 20.6 °C | 87.12 mm |
| November | 2.1 °C | 13.7 °C | 103.89 mm |
| December | -2.8 °C | 7.6 °C | 75.95 mm |
| Annual | 7.4 °C | 19.3 °C | 1184.15 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |