Elwood, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.7 °F (low) to 64.6 °F (high). Annual precipitation averages 36.7 Inches. Elwood is located in USDA Plant Hardiness Zone 6a. 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 | 17.1 °F | 36.8 °F | 1.01 in. |
| February | 21.0 °F | 42.0 °F | 1.31 in. |
| March | 31.4 °F | 54.5 °F | 2.27 in. |
| April | 42.0 °F | 65.4 °F | 3.72 in. |
| May | 53.7 °F | 75.3 °F | 4.96 in. |
| June | 63.7 °F | 84.4 °F | 5.01 in. |
| July | 67.3 °F | 87.9 °F | 4.69 in. |
| August | 64.7 °F | 86.4 °F | 3.89 in. |
| September | 55.9 °F | 80.0 °F | 3.4 in. |
| October | 42.9 °F | 67.8 °F | 2.97 in. |
| November | 31.6 °F | 53.9 °F | 1.93 in. |
| December | 21.4 °F | 41.1 °F | 1.53 in. |
| Annual | 42.7 °F | 64.6 °F | 36.69 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |