Summerfield, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.9 °C (low) to 16.9 °C (high). Annual precipitation averages 844.6 Millimeters. Summerfield 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.4 °C | 1.6 °C | 18.8 mm |
| February | -7.4 °C | 4.3 °C | 27.18 mm |
| March | -1.7 °C | 11.2 °C | 53.34 mm |
| April | 4 °C | 17 °C | 81.53 mm |
| May | 10.4 °C | 22.5 °C | 125.48 mm |
| June | 16.5 °C | 27.9 °C | 115.57 mm |
| July | 18.8 °C | 30.3 °C | 111.51 mm |
| August | 17.7 °C | 29.5 °C | 90.42 mm |
| September | 12.8 °C | 25.6 °C | 84.07 mm |
| October | 5.8 °C | 18.6 °C | 65.02 mm |
| November | -1.3 °C | 10.5 °C | 41.66 mm |
| December | -7 °C | 3.7 °C | 29.97 mm |
| Annual | 4.9 °C | 16.9 °C | 844.55 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |