Nebraska City, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 16.9 °C (high). Annual precipitation averages 851.2 Millimeters. Nebraska City is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.9 °C | 0.8 °C | 20.83 mm |
| February | -7.6 °C | 3.7 °C | 26.42 mm |
| March | -1.7 °C | 10.9 °C | 46.74 mm |
| April | 4.2 °C | 17.5 °C | 83.82 mm |
| May | 10.9 °C | 23 °C | 136.91 mm |
| June | 16.7 °C | 28.2 °C | 124.21 mm |
| July | 18.8 °C | 30.2 °C | 109.98 mm |
| August | 17.3 °C | 29.3 °C | 81.79 mm |
| September | 12.1 °C | 25.9 °C | 80.26 mm |
| October | 5.3 °C | 19.3 °C | 69.85 mm |
| November | -1.7 °C | 10.4 °C | 38.35 mm |
| December | -7.2 °C | 3.6 °C | 32 mm |
| Annual | 4.8 °C | 16.9 °C | 851.16 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |