Gibbon, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 16.8 °C (high). Annual precipitation averages 670 Millimeters. Gibbon is located in USDA Plant Hardiness Zone 5b. 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 | -9.4 °C | 2.1 °C | 13.72 mm |
| February | -7.8 °C | 4.2 °C | 16.76 mm |
| March | -2.7 °C | 10.8 °C | 36.83 mm |
| April | 2.9 °C | 16.6 °C | 68.07 mm |
| May | 9.2 °C | 22.1 °C | 113.28 mm |
| June | 15.3 °C | 28.1 °C | 100.08 mm |
| July | 17.9 °C | 30.6 °C | 90.17 mm |
| August | 16.6 °C | 29.3 °C | 81.79 mm |
| September | 11.3 °C | 25.7 °C | 51.05 mm |
| October | 3.9 °C | 18.4 °C | 52.32 mm |
| November | -3.1 °C | 10.5 °C | 26.92 mm |
| December | -8 °C | 3.7 °C | 19.05 mm |
| Annual | 3.8 °C | 16.8 °C | 670.04 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |