Morrill, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42 °F (low) to 64 °F (high). Annual precipitation averages 35.1 Inches. 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 | 16.1 °F | 35.8 °F | 0.77 in. |
| February | 20.0 °F | 41.3 °F | 1.14 in. |
| March | 30.1 °F | 53.7 °F | 2.16 in. |
| April | 40.8 °F | 64.6 °F | 3.45 in. |
| May | 53.0 °F | 74.7 °F | 5.02 in. |
| June | 63.0 °F | 84.0 °F | 4.85 in. |
| July | 66.9 °F | 88.0 °F | 4.68 in. |
| August | 64.5 °F | 86.5 °F | 3.81 in. |
| September | 54.9 °F | 79.5 °F | 3.42 in. |
| October | 42.8 °F | 67.6 °F | 2.73 in. |
| November | 30.5 °F | 52.4 °F | 1.81 in. |
| December | 21.2 °F | 40.2 °F | 1.21 in. |
| Annual | 42 °F | 64 °F | 35.05 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |