Roscoe, 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 67.3 °F (high). Annual precipitation averages 44.2 Inches. Roscoe 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 | 42.1 °F | 1.92 in. |
| February | 25.3 °F | 47.3 °F | 2.06 in. |
| March | 34.4 °F | 57.5 °F | 2.96 in. |
| April | 44.1 °F | 68.0 °F | 4.78 in. |
| May | 54.8 °F | 76.3 °F | 5.85 in. |
| June | 64.3 °F | 84.8 °F | 5.08 in. |
| July | 68.3 °F | 89.6 °F | 4.28 in. |
| August | 66.3 °F | 88.8 °F | 3.84 in. |
| September | 57.8 °F | 80.9 °F | 4.25 in. |
| October | 45.7 °F | 69.9 °F | 3.56 in. |
| November | 35.1 °F | 56.6 °F | 3.26 in. |
| December | 26.2 °F | 45.7 °F | 2.4 in. |
| Annual | 45.3 °F | 67.3 °F | 44.24 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 |