Maysville, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.9 °F (low) to 63.2 °F (high). Annual precipitation averages 39.6 Inches. Maysville is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.3 °F | 35.4 °F | 1.03 in. |
| February | 20.1 °F | 40.7 °F | 1.44 in. |
| March | 30.5 °F | 52.9 °F | 2.44 in. |
| April | 40.7 °F | 63.6 °F | 3.84 in. |
| May | 52.3 °F | 73.5 °F | 5.74 in. |
| June | 62.2 °F | 82.8 °F | 5.3 in. |
| July | 66.3 °F | 87.2 °F | 4.68 in. |
| August | 64.0 °F | 85.7 °F | 4.34 in. |
| September | 55.0 °F | 78.5 °F | 4.01 in. |
| October | 42.8 °F | 66.1 °F | 3.21 in. |
| November | 31.3 °F | 52.4 °F | 2.0 in. |
| December | 21.2 °F | 39.8 °F | 1.57 in. |
| Annual | 41.9 °F | 63.2 °F | 39.6 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |