Wisner, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3 °C (low) to 15.4 °C (high). Annual precipitation averages 741.7 Millimeters. Wisner is located in USDA Plant Hardiness Zone 5a. 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 | -11.8 °C | -1 °C | 14.99 mm |
| February | -9.4 °C | 1.4 °C | 20.07 mm |
| March | -3.8 °C | 8.7 °C | 38.1 mm |
| April | 2.3 °C | 15.8 °C | 78.99 mm |
| May | 9.1 °C | 22.1 °C | 102.87 mm |
| June | 15.2 °C | 27.6 °C | 120.9 mm |
| July | 17.3 °C | 29.6 °C | 84.07 mm |
| August | 16 °C | 28.3 °C | 96.27 mm |
| September | 10.7 °C | 24.9 °C | 74.68 mm |
| October | 3.6 °C | 17.7 °C | 55.37 mm |
| November | -3.8 °C | 8.6 °C | 31.5 mm |
| December | -9.4 °C | 1.3 °C | 23.88 mm |
| Annual | 3 °C | 15.4 °C | 741.69 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |