Cottonwood Falls, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.4 °F (low) to 67.2 °F (high). Annual precipitation averages 36.3 Inches. Cottonwood Falls 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 | 19.7 °F | 41.4 °F | 0.81 in. |
| February | 23.3 °F | 46.3 °F | 1.33 in. |
| March | 32.9 °F | 57.4 °F | 2.47 in. |
| April | 43.0 °F | 67.3 °F | 3.33 in. |
| May | 54.5 °F | 75.9 °F | 5.31 in. |
| June | 64.0 °F | 85.3 °F | 4.72 in. |
| July | 68.3 °F | 90.3 °F | 4.79 in. |
| August | 66.7 °F | 89.5 °F | 4.11 in. |
| September | 58.0 °F | 81.7 °F | 3.46 in. |
| October | 44.8 °F | 70.1 °F | 2.77 in. |
| November | 33.4 °F | 56.1 °F | 1.87 in. |
| December | 23.8 °F | 44.5 °F | 1.32 in. |
| Annual | 44.4 °F | 67.2 °F | 36.29 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 |