Council Grove, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.4 °C (low) to 19.2 °C (high). Annual precipitation averages 909.1 Millimeters. Council Grove 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 | -7.4 °C | 4.7 °C | 20.57 mm |
| February | -5.4 °C | 7.4 °C | 32.77 mm |
| March | 0.1 °C | 13.6 °C | 58.42 mm |
| April | 5.7 °C | 19.4 °C | 86.11 mm |
| May | 12.1 °C | 24.3 °C | 136.91 mm |
| June | 17.6 °C | 29.6 °C | 121.16 mm |
| July | 20 °C | 32.5 °C | 117.09 mm |
| August | 18.9 °C | 31.8 °C | 108.46 mm |
| September | 13.9 °C | 27.5 °C | 81.79 mm |
| October | 6.7 °C | 20.7 °C | 66.29 mm |
| November | 0.2 °C | 12.9 °C | 45.21 mm |
| December | -5.2 °C | 6.4 °C | 34.29 mm |
| Annual | 6.4 °C | 19.2 °C | 909.07 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |