Quitman, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.5 °F (low) to 62.4 °F (high). Annual precipitation averages 36.6 Inches. Quitman is located in USDA Plant Hardiness Zone 5b. 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 | 14.1 °F | 33.6 °F | 0.8 in. |
| February | 18.1 °F | 39.1 °F | 1.08 in. |
| March | 28.9 °F | 51.8 °F | 2.05 in. |
| April | 39.4 °F | 63.4 °F | 3.6 in. |
| May | 51.7 °F | 73.6 °F | 5.33 in. |
| June | 62.0 °F | 82.6 °F | 4.89 in. |
| July | 65.6 °F | 86.5 °F | 5.19 in. |
| August | 63.0 °F | 85.0 °F | 3.9 in. |
| September | 53.4 °F | 78.5 °F | 3.45 in. |
| October | 41.1 °F | 66.2 °F | 2.98 in. |
| November | 29.0 °F | 50.8 °F | 1.89 in. |
| December | 19.1 °F | 38.0 °F | 1.41 in. |
| Annual | 40.5 °F | 62.4 °F | 36.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°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 |