Falun, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.8 °F (low) to 67.6 °F (high). Annual precipitation averages 30.6 Inches. Falun 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 | 19.9 °F | 41.8 °F | 0.81 in. |
| February | 22.8 °F | 46.0 °F | 1.13 in. |
| March | 32.4 °F | 57.2 °F | 1.97 in. |
| April | 41.7 °F | 66.7 °F | 2.56 in. |
| May | 53.0 °F | 76.3 °F | 4.95 in. |
| June | 63.8 °F | 87.7 °F | 4.02 in. |
| July | 68.5 °F | 92.8 °F | 3.94 in. |
| August | 66.5 °F | 90.6 °F | 3.72 in. |
| September | 57.8 °F | 82.6 °F | 2.71 in. |
| October | 44.6 °F | 70.3 °F | 2.3 in. |
| November | 32.0 °F | 55.8 °F | 1.32 in. |
| December | 22.6 °F | 43.7 °F | 1.12 in. |
| Annual | 43.8 °F | 67.6 °F | 30.55 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |