Great Bend, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.7 °C (low) to 19.8 °C (high). Annual precipitation averages 681 Millimeters. Great Bend 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.1 °C | 5.9 °C | 18.29 mm |
| February | -4.5 °C | 8.3 °C | 23.37 mm |
| March | 0.6 °C | 14.1 °C | 40.89 mm |
| April | 5.6 °C | 19.4 °C | 55.37 mm |
| May | 11.8 °C | 24.6 °C | 112.27 mm |
| June | 17.7 °C | 31 °C | 90.17 mm |
| July | 20.1 °C | 33.3 °C | 98.81 mm |
| August | 18.9 °C | 32.1 °C | 91.19 mm |
| September | 14.4 °C | 28 °C | 51.31 mm |
| October | 6.9 °C | 21.1 °C | 50.55 mm |
| November | 0.1 °C | 13.3 °C | 25.4 mm |
| December | -4.9 °C | 6.8 °C | 23.37 mm |
| Annual | 6.7 °C | 19.8 °C | 680.99 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |