Waterville, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.4 °F (low) to 65 °F (high). Annual precipitation averages 32.8 Inches. Waterville is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.4 °F | 38.0 °F | 0.73 in. |
| February | 20.9 °F | 42.8 °F | 1.02 in. |
| March | 31.0 °F | 54.6 °F | 1.93 in. |
| April | 41.1 °F | 65.0 °F | 3.14 in. |
| May | 52.6 °F | 74.6 °F | 4.84 in. |
| June | 62.8 °F | 84.6 °F | 4.57 in. |
| July | 67.3 °F | 89.2 °F | 4.49 in. |
| August | 64.9 °F | 87.6 °F | 3.63 in. |
| September | 55.6 °F | 80.2 °F | 3.25 in. |
| October | 43.0 °F | 68.0 °F | 2.51 in. |
| November | 31.1 °F | 53.3 °F | 1.51 in. |
| December | 21.2 °F | 41.5 °F | 1.14 in. |
| Annual | 42.4 °F | 65 °F | 32.76 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |