Parkville, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.7 °F (low) to 65.3 °F (high). Annual precipitation averages 41.8 Inches. Parkville 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 | 19.4 °F | 38.4 °F | 1.44 in. |
| February | 23.4 °F | 43.9 °F | 1.68 in. |
| March | 33.1 °F | 55.2 °F | 2.41 in. |
| April | 43.7 °F | 65.7 °F | 4.0 in. |
| May | 54.8 °F | 74.9 °F | 5.44 in. |
| June | 64.6 °F | 84.4 °F | 5.42 in. |
| July | 68.8 °F | 88.8 °F | 4.63 in. |
| August | 66.7 °F | 87.4 °F | 4.53 in. |
| September | 57.8 °F | 79.9 °F | 4.48 in. |
| October | 45.4 °F | 67.9 °F | 3.52 in. |
| November | 33.8 °F | 54.0 °F | 2.36 in. |
| December | 24.3 °F | 42.5 °F | 1.84 in. |
| Annual | 44.7 °F | 65.3 °F | 41.75 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |