Miltonvale, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 18.6 °C (high). Annual precipitation averages 794.3 Millimeters. Miltonvale is located in USDA Plant Hardiness Zone 6b. 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 | -7.8 °C | 3.8 °C | 18.8 mm |
| February | -5.8 °C | 6.5 °C | 26.92 mm |
| March | -0.4 °C | 13.1 °C | 49.28 mm |
| April | 5.1 °C | 18.6 °C | 69.34 mm |
| May | 11.4 °C | 23.8 °C | 122.68 mm |
| June | 17.2 °C | 29.8 °C | 105.16 mm |
| July | 19.8 °C | 32.4 °C | 107.7 mm |
| August | 18.6 °C | 31.1 °C | 96.77 mm |
| September | 13.5 °C | 27.1 °C | 81.28 mm |
| October | 6.4 °C | 20.1 °C | 57.15 mm |
| November | -0.6 °C | 12 °C | 32 mm |
| December | -5.7 °C | 5.3 °C | 27.18 mm |
| Annual | 6 °C | 18.6 °C | 794.26 mm |
| 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 6b : -20.6°C to -17.8°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 |