Morrill, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.6 °C (low) to 17.8 °C (high). Annual precipitation averages 890.3 Millimeters. Morrill 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.8 °C | 2.1 °C | 19.56 mm |
| February | -6.7 °C | 5.2 °C | 28.96 mm |
| March | -1.1 °C | 12.1 °C | 54.86 mm |
| April | 4.9 °C | 18.1 °C | 87.63 mm |
| May | 11.7 °C | 23.7 °C | 127.51 mm |
| June | 17.2 °C | 28.9 °C | 123.19 mm |
| July | 19.4 °C | 31.1 °C | 118.87 mm |
| August | 18.1 °C | 30.3 °C | 96.77 mm |
| September | 12.7 °C | 26.4 °C | 86.87 mm |
| October | 6 °C | 19.8 °C | 69.34 mm |
| November | -0.8 °C | 11.3 °C | 45.97 mm |
| December | -6 °C | 4.6 °C | 30.73 mm |
| Annual | 5.6 °C | 17.8 °C | 890.26 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |