Valley Falls, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.7 °F (low) to 65.9 °F (high). Annual precipitation averages 37.9 Inches. Valley 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.5 °F | 38.8 °F | 0.93 in. |
| February | 22.0 °F | 43.7 °F | 1.24 in. |
| March | 32.0 °F | 55.5 °F | 2.29 in. |
| April | 42.5 °F | 66.3 °F | 3.72 in. |
| May | 53.9 °F | 75.8 °F | 5.43 in. |
| June | 64.1 °F | 85.2 °F | 4.92 in. |
| July | 68.1 °F | 89.9 °F | 4.5 in. |
| August | 65.8 °F | 88.4 °F | 4.5 in. |
| September | 56.8 °F | 81.0 °F | 3.93 in. |
| October | 44.8 °F | 68.9 °F | 2.97 in. |
| November | 32.7 °F | 54.7 °F | 1.94 in. |
| December | 22.6 °F | 42.2 °F | 1.49 in. |
| Annual | 43.7 °F | 65.9 °F | 37.86 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |