Plainville, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.6 °C (low) to 19.4 °C (high). Annual precipitation averages 638.8 Millimeters. Plainville 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 | -8.3 °C | 5.5 °C | 17.53 mm |
| February | -7 °C | 7.6 °C | 22.61 mm |
| March | -1.9 °C | 13.7 °C | 36.58 mm |
| April | 3.2 °C | 18.8 °C | 53.59 mm |
| May | 9.6 °C | 23.9 °C | 92.71 mm |
| June | 15.6 °C | 30.3 °C | 82.3 mm |
| July | 18.6 °C | 33.3 °C | 97.79 mm |
| August | 17.5 °C | 32.1 °C | 85.34 mm |
| September | 12.3 °C | 27.7 °C | 55.12 mm |
| October | 4.7 °C | 20.6 °C | 43.18 mm |
| November | -2.2 °C | 13 °C | 26.67 mm |
| December | -7.1 °C | 6.2 °C | 25.4 mm |
| Annual | 4.6 °C | 19.4 °C | 638.82 mm |
| 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 : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |