Wallace, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36 °F (low) to 63.6 °F (high). Annual precipitation averages 21.1 Inches. Wallace is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.4 °F | 39.5 °F | 0.31 in. |
| February | 16.4 °F | 42.4 °F | 0.53 in. |
| March | 24.7 °F | 53.2 °F | 0.91 in. |
| April | 33.5 °F | 61.7 °F | 2.2 in. |
| May | 44.6 °F | 71.4 °F | 3.41 in. |
| June | 55.6 °F | 83.0 °F | 3.68 in. |
| July | 60.9 °F | 88.8 °F | 3.34 in. |
| August | 58.6 °F | 86.8 °F | 2.59 in. |
| September | 48.8 °F | 78.9 °F | 1.58 in. |
| October | 35.2 °F | 65.1 °F | 1.67 in. |
| November | 23.4 °F | 51.5 °F | 0.53 in. |
| December | 15.5 °F | 40.6 °F | 0.39 in. |
| Annual | 36 °F | 63.6 °F | 21.14 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°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 |