Mitchell, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.8 °F (low) to 63.3 °F (high). Annual precipitation averages 14.4 Inches. Mitchell is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.2 °F | 40.2 °F | 0.22 in. |
| February | 17.1 °F | 42.9 °F | 0.43 in. |
| March | 24.8 °F | 52.6 °F | 0.7 in. |
| April | 32.1 °F | 60.2 °F | 1.63 in. |
| May | 42.8 °F | 70.3 °F | 2.88 in. |
| June | 52.9 °F | 82.3 °F | 2.49 in. |
| July | 59.0 °F | 89.2 °F | 1.65 in. |
| August | 56.4 °F | 87.1 °F | 1.16 in. |
| September | 46.5 °F | 78.6 °F | 1.29 in. |
| October | 33.4 °F | 64.1 °F | 1.18 in. |
| November | 22.5 °F | 50.9 °F | 0.45 in. |
| December | 14.3 °F | 40.8 °F | 0.31 in. |
| Annual | 34.8 °F | 63.3 °F | 14.39 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 | BSk - Cold Semi-Arid Climate |