Ransom, Kansas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 40 °F (low) to 67.6 °F (high). Annual precipitation averages 22.6 Inches. Ransom 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 | 17.2 °F | 43.2 °F | 0.5 in. |
| February | 19.9 °F | 47.1 °F | 0.62 in. |
| March | 27.9 °F | 57.1 °F | 1.28 in. |
| April | 37.1 °F | 66.2 °F | 1.95 in. |
| May | 48.5 °F | 75.8 °F | 3.26 in. |
| June | 59.7 °F | 87.1 °F | 3.24 in. |
| July | 64.9 °F | 92.2 °F | 3.55 in. |
| August | 62.9 °F | 89.7 °F | 3.01 in. |
| September | 54.0 °F | 82.5 °F | 1.71 in. |
| October | 40.3 °F | 69.9 °F | 1.71 in. |
| November | 28.0 °F | 55.7 °F | 0.85 in. |
| December | 19.1 °F | 44.5 °F | 0.88 in. |
| Annual | 40 °F | 67.6 °F | 22.56 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 |