Country Club Hills, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 48.2 °F (low) to 66.4 °F (high). Annual precipitation averages 43.4 Inches. Country Club Hills is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.5 °F | 39.8 °F | 2.65 in. |
| February | 27.5 °F | 45.6 °F | 2.27 in. |
| March | 36.6 °F | 55.8 °F | 3.45 in. |
| April | 47.5 °F | 67.5 °F | 4.75 in. |
| May | 58.2 °F | 76.6 °F | 5.14 in. |
| June | 67.3 °F | 85.3 °F | 4.55 in. |
| July | 70.9 °F | 88.7 °F | 4.01 in. |
| August | 69.2 °F | 87.5 °F | 3.71 in. |
| September | 60.7 °F | 80.6 °F | 3.27 in. |
| October | 49.3 °F | 69.3 °F | 3.3 in. |
| November | 37.8 °F | 55.1 °F | 3.53 in. |
| December | 29.2 °F | 44.5 °F | 2.75 in. |
| Annual | 48.2 °F | 66.4 °F | 43.38 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 |