Bell City, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.4 °F (low) to 68.1 °F (high). Annual precipitation averages 50.2 Inches. Bell City is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.8 °F | 42.9 °F | 3.6 in. |
| February | 28.9 °F | 48.0 °F | 3.67 in. |
| March | 37.2 °F | 57.9 °F | 4.64 in. |
| April | 46.8 °F | 69.0 °F | 5.51 in. |
| May | 57.1 °F | 78.0 °F | 5.36 in. |
| June | 65.7 °F | 86.4 °F | 3.69 in. |
| July | 69.1 °F | 89.2 °F | 4.35 in. |
| August | 66.9 °F | 88.4 °F | 3.17 in. |
| September | 58.7 °F | 82.4 °F | 3.32 in. |
| October | 46.7 °F | 71.3 °F | 3.92 in. |
| November | 36.6 °F | 57.4 °F | 4.61 in. |
| December | 29.2 °F | 46.2 °F | 4.33 in. |
| Annual | 47.4 °F | 68.1 °F | 50.17 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |