Sun City, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7 °C (low) to 20.9 °C (high). Annual precipitation averages 707.2 Millimeters. Sun City is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.7 °C | 7.7 °C | 19.05 mm |
| February | -4.3 °C | 9.9 °C | 22.86 mm |
| March | 0.8 °C | 15.3 °C | 48.77 mm |
| April | 6 °C | 20.4 °C | 61.98 mm |
| May | 12.2 °C | 25.5 °C | 98.04 mm |
| June | 17.8 °C | 31.1 °C | 104.65 mm |
| July | 20.3 °C | 33.9 °C | 87.38 mm |
| August | 19.4 °C | 33.1 °C | 82.55 mm |
| September | 14.7 °C | 28.9 °C | 65.28 mm |
| October | 7.4 °C | 22.3 °C | 66.04 mm |
| November | 0.4 °C | 14.6 °C | 26.67 mm |
| December | -4.6 °C | 8.3 °C | 23.88 mm |
| Annual | 7 °C | 20.9 °C | 707.15 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |