Du Bois, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.3 °F (low) to 64.1 °F (high). Annual precipitation averages 33.4 Inches. Du Bois 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.3 °F | 35.7 °F | 0.77 in. |
| February | 19.2 °F | 41.2 °F | 1.1 in. |
| March | 29.6 °F | 53.7 °F | 2.11 in. |
| April | 40.2 °F | 64.7 °F | 3.22 in. |
| May | 52.4 °F | 74.8 °F | 4.95 in. |
| June | 62.5 °F | 84.1 °F | 4.6 in. |
| July | 66.4 °F | 88.2 °F | 4.29 in. |
| August | 64.0 °F | 86.8 °F | 3.58 in. |
| September | 54.2 °F | 79.8 °F | 3.26 in. |
| October | 42.0 °F | 67.7 °F | 2.55 in. |
| November | 29.6 °F | 52.2 °F | 1.74 in. |
| December | 20.2 °F | 40.1 °F | 1.2 in. |
| Annual | 41.3 °F | 64.1 °F | 33.37 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |