Hanston, Kansas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 41.9 °F (low) to 68.7 °F (high). Annual precipitation averages 23.9 Inches. Hanston 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 | 19.0 °F | 44.3 °F | 0.62 in. |
| February | 21.6 °F | 48.4 °F | 0.73 in. |
| March | 30.3 °F | 58.4 °F | 1.41 in. |
| April | 39.3 °F | 67.9 °F | 2.02 in. |
| May | 50.9 °F | 77.3 °F | 3.64 in. |
| June | 61.8 °F | 88.1 °F | 3.33 in. |
| July | 66.5 °F | 93.0 °F | 3.77 in. |
| August | 64.5 °F | 90.7 °F | 3.14 in. |
| September | 56.0 °F | 83.7 °F | 1.71 in. |
| October | 42.3 °F | 70.9 °F | 1.91 in. |
| November | 29.9 °F | 56.8 °F | 0.72 in. |
| December | 21.0 °F | 45.2 °F | 0.91 in. |
| Annual | 41.9 °F | 68.7 °F | 23.91 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |