Inman, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45 °F (low) to 67.2 °F (high). Annual precipitation averages 31.7 Inches. Inman 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 | 21.6 °F | 42.3 °F | 0.79 in. |
| February | 24.5 °F | 46.0 °F | 1.19 in. |
| March | 34.2 °F | 56.9 °F | 2.25 in. |
| April | 43.4 °F | 66.5 °F | 2.79 in. |
| May | 54.4 °F | 76.1 °F | 5.29 in. |
| June | 64.7 °F | 86.8 °F | 4.2 in. |
| July | 68.7 °F | 90.9 °F | 4.0 in. |
| August | 66.8 °F | 89.3 °F | 3.65 in. |
| September | 58.5 °F | 82.0 °F | 2.53 in. |
| October | 45.6 °F | 69.6 °F | 2.52 in. |
| November | 33.5 °F | 56.0 °F | 1.39 in. |
| December | 24.0 °F | 44.0 °F | 1.06 in. |
| Annual | 45 °F | 67.2 °F | 31.66 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |