Delia, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.8 °C (low) to 18.8 °C (high). Annual precipitation averages 905.3 Millimeters. Delia 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 | -6.9 °C | 4.1 °C | 19.81 mm |
| February | -4.9 °C | 6.9 °C | 29.46 mm |
| March | 0.4 °C | 13.3 °C | 54.36 mm |
| April | 6.2 °C | 19.1 °C | 91.44 mm |
| May | 12.5 °C | 24.2 °C | 131.06 mm |
| June | 18.1 °C | 29.2 °C | 125.73 mm |
| July | 20.2 °C | 31.4 °C | 108.2 mm |
| August | 18.9 °C | 31 °C | 108.97 mm |
| September | 13.9 °C | 26.9 °C | 87.38 mm |
| October | 7.1 °C | 20.4 °C | 72.39 mm |
| November | 0.8 °C | 12.9 °C | 42.67 mm |
| December | -4.8 °C | 6 °C | 33.78 mm |
| Annual | 6.8 °C | 18.8 °C | 905.25 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 |