Bentley, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.7 °C (low) to 19.6 °C (high). Annual precipitation averages 848.1 Millimeters. Bentley is located in USDA Plant Hardiness Zone 7a. 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 | -5.3 °C | 5.8 °C | 19.56 mm |
| February | -3.6 °C | 8.2 °C | 33.53 mm |
| March | 1.6 °C | 14.1 °C | 60.2 mm |
| April | 6.8 °C | 19.2 °C | 71.88 mm |
| May | 12.9 °C | 24.3 °C | 131.06 mm |
| June | 18.6 °C | 30.2 °C | 121.92 mm |
| July | 20.7 °C | 32.7 °C | 104.14 mm |
| August | 19.8 °C | 31.7 °C | 98.04 mm |
| September | 15.3 °C | 27.7 °C | 68.58 mm |
| October | 8.2 °C | 20.9 °C | 68.33 mm |
| November | 1.6 °C | 13.5 °C | 40.13 mm |
| December | -3.8 °C | 6.9 °C | 30.73 mm |
| Annual | 7.7 °C | 19.6 °C | 848.1 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |