Elk Falls, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.5 °C (low) to 20.3 °C (high). Annual precipitation averages 1045.2 Millimeters. Elk Falls is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.7 °C | 6.8 °C | 31.24 mm |
| February | -3.8 °C | 9.4 °C | 41.91 mm |
| March | 1.3 °C | 15 °C | 69.85 mm |
| April | 7.1 °C | 20.4 °C | 108.2 mm |
| May | 13 °C | 24.7 °C | 149.86 mm |
| June | 18.3 °C | 29.6 °C | 150.37 mm |
| July | 20.7 °C | 32.6 °C | 107.7 mm |
| August | 19.6 °C | 32.4 °C | 97.54 mm |
| September | 14.7 °C | 28.1 °C | 96.01 mm |
| October | 7.7 °C | 21.8 °C | 91.69 mm |
| November | 1.4 °C | 14.7 °C | 55.88 mm |
| December | -3.9 °C | 8.3 °C | 44.96 mm |
| Annual | 7.5 °C | 20.3 °C | 1045.21 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |