Downs, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 19 °C (high). Annual precipitation averages 672.3 Millimeters. Downs is located in USDA Plant Hardiness Zone 6b. 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 | -8.1 °C | 4.4 °C | 14.99 mm |
| February | -6.4 °C | 7.1 °C | 18.03 mm |
| March | -1.3 °C | 13.2 °C | 35.56 mm |
| April | 4.2 °C | 18.6 °C | 57.4 mm |
| May | 10.6 °C | 23.8 °C | 102.36 mm |
| June | 16.8 °C | 30.2 °C | 94.23 mm |
| July | 19.5 °C | 33.1 °C | 107.44 mm |
| August | 18.3 °C | 31.6 °C | 83.82 mm |
| September | 13.1 °C | 27.3 °C | 58.93 mm |
| October | 5.6 °C | 20.7 °C | 45.72 mm |
| November | -1.4 °C | 12.3 °C | 29.46 mm |
| December | -6.6 °C | 5.8 °C | 24.38 mm |
| Annual | 5.4 °C | 19 °C | 672.32 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |