Bushnell, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.1 °F (low) to 62.2 °F (high). Annual precipitation averages 15.8 Inches. Bushnell is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.3 °F | 40.7 °F | 0.28 in. |
| February | 16.3 °F | 42.9 °F | 0.41 in. |
| March | 23.3 °F | 51.8 °F | 0.83 in. |
| April | 30.0 °F | 58.6 °F | 1.71 in. |
| May | 39.8 °F | 68.0 °F | 2.61 in. |
| June | 49.4 °F | 80.0 °F | 2.48 in. |
| July | 55.9 °F | 87.6 °F | 2.13 in. |
| August | 53.6 °F | 85.6 °F | 1.83 in. |
| September | 44.5 °F | 77.1 °F | 1.47 in. |
| October | 32.3 °F | 62.7 °F | 1.19 in. |
| November | 22.2 °F | 50.0 °F | 0.49 in. |
| December | 14.7 °F | 41.0 °F | 0.4 in. |
| Annual | 33.1 °F | 62.2 °F | 15.83 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 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 |