Cabool, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.3 °F (low) to 66.7 °F (high). Annual precipitation averages 46.6 Inches. 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 | 23.4 °F | 42.9 °F | 2.75 in. |
| February | 26.8 °F | 47.7 °F | 2.88 in. |
| March | 34.8 °F | 57.0 °F | 4.35 in. |
| April | 44.7 °F | 67.5 °F | 5.18 in. |
| May | 54.0 °F | 75.3 °F | 5.45 in. |
| June | 62.7 °F | 83.2 °F | 3.96 in. |
| July | 66.7 °F | 87.8 °F | 4.2 in. |
| August | 65.0 °F | 87.3 °F | 3.4 in. |
| September | 57.2 °F | 80.3 °F | 3.94 in. |
| October | 45.7 °F | 69.1 °F | 3.43 in. |
| November | 35.7 °F | 56.7 °F | 4.09 in. |
| December | 27.0 °F | 45.7 °F | 2.99 in. |
| Annual | 45.3 °F | 66.7 °F | 46.62 in. |
| 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 : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |