Inman, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.5 °F (low) to 60.2 °F (high). Annual precipitation averages 26.6 Inches. Inman is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.9 °F | 33.0 °F | 0.54 in. |
| February | 15.0 °F | 37.0 °F | 0.7 in. |
| March | 24.2 °F | 48.2 °F | 1.38 in. |
| April | 35.0 °F | 59.2 °F | 3.04 in. |
| May | 46.2 °F | 70.1 °F | 4.04 in. |
| June | 57.2 °F | 80.7 °F | 3.94 in. |
| July | 62.3 °F | 86.7 °F | 3.16 in. |
| August | 59.9 °F | 84.4 °F | 3.41 in. |
| September | 50.4 °F | 77.0 °F | 2.39 in. |
| October | 37.0 °F | 62.9 °F | 2.33 in. |
| November | 24.3 °F | 47.9 °F | 0.98 in. |
| December | 14.9 °F | 35.5 °F | 0.72 in. |
| Annual | 36.5 °F | 60.2 °F | 26.63 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |