Almena, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.7 °F (low) to 65.9 °F (high). Annual precipitation averages 24.1 Inches. Almena is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.2 °F | 39.8 °F | 0.48 in. |
| February | 18.0 °F | 43.8 °F | 0.7 in. |
| March | 27.0 °F | 55.5 °F | 1.35 in. |
| April | 36.5 °F | 65.1 °F | 2.31 in. |
| May | 48.1 °F | 74.7 °F | 3.78 in. |
| June | 59.2 °F | 86.3 °F | 3.21 in. |
| July | 64.5 °F | 91.5 °F | 3.73 in. |
| August | 62.1 °F | 88.9 °F | 3.14 in. |
| September | 52.5 °F | 81.5 °F | 1.85 in. |
| October | 38.5 °F | 68.3 °F | 1.92 in. |
| November | 26.1 °F | 53.9 °F | 0.91 in. |
| December | 17.1 °F | 41.8 °F | 0.71 in. |
| Annual | 38.7 °F | 65.9 °F | 24.09 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |