Cassoday, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 66.6 °F (high). Annual precipitation averages 36.2 Inches. Cassoday 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 | 19.8 °F | 41.5 °F | 0.75 in. |
| February | 23.2 °F | 46.1 °F | 1.4 in. |
| March | 32.5 °F | 57.0 °F | 2.36 in. |
| April | 42.6 °F | 66.8 °F | 3.6 in. |
| May | 53.6 °F | 74.7 °F | 5.26 in. |
| June | 63.5 °F | 84.2 °F | 5.29 in. |
| July | 68.0 °F | 89.7 °F | 4.22 in. |
| August | 66.0 °F | 88.7 °F | 3.73 in. |
| September | 57.5 °F | 81.4 °F | 3.52 in. |
| October | 44.7 °F | 69.5 °F | 2.9 in. |
| November | 32.9 °F | 55.7 °F | 1.88 in. |
| December | 23.6 °F | 44.2 °F | 1.27 in. |
| Annual | 44 °F | 66.6 °F | 36.18 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |