Ness City, Kansas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 40.8 °F (low) to 68.3 °F (high). Annual precipitation averages 23.1 Inches. Ness City 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 | 17.9 °F | 44.0 °F | 0.53 in. |
| February | 20.3 °F | 47.8 °F | 0.69 in. |
| March | 28.9 °F | 57.8 °F | 1.44 in. |
| April | 38.0 °F | 67.0 °F | 1.98 in. |
| May | 49.7 °F | 76.7 °F | 3.22 in. |
| June | 60.8 °F | 87.8 °F | 3.16 in. |
| July | 65.7 °F | 92.8 °F | 3.83 in. |
| August | 63.7 °F | 90.5 °F | 3.19 in. |
| September | 54.9 °F | 83.2 °F | 1.81 in. |
| October | 40.9 °F | 70.5 °F | 1.72 in. |
| November | 28.5 °F | 56.5 °F | 0.72 in. |
| December | 19.7 °F | 44.9 °F | 0.85 in. |
| Annual | 40.8 °F | 68.3 °F | 23.14 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 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |