Schell City, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.4 °F (low) to 67.3 °F (high). Annual precipitation averages 44.9 Inches. Schell City is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 41.7 °F | 1.73 in. |
| February | 25.1 °F | 46.7 °F | 2.06 in. |
| March | 34.7 °F | 57.0 °F | 3.07 in. |
| April | 44.5 °F | 67.4 °F | 4.77 in. |
| May | 55.2 °F | 76.1 °F | 6.21 in. |
| June | 64.8 °F | 85.1 °F | 5.4 in. |
| July | 68.7 °F | 90.1 °F | 4.4 in. |
| August | 66.2 °F | 89.0 °F | 3.82 in. |
| September | 57.5 °F | 81.6 °F | 4.42 in. |
| October | 45.3 °F | 70.5 °F | 3.48 in. |
| November | 34.8 °F | 56.7 °F | 3.15 in. |
| December | 26.0 °F | 45.4 °F | 2.4 in. |
| Annual | 45.4 °F | 67.3 °F | 44.91 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |