Geneva, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.8 °F (low) to 62.8 °F (high). Annual precipitation averages 28.2 Inches. Geneva 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 | 14.8 °F | 35.3 °F | 0.64 in. |
| February | 18.3 °F | 39.8 °F | 0.68 in. |
| March | 27.7 °F | 52.4 °F | 1.41 in. |
| April | 37.9 °F | 63.4 °F | 2.4 in. |
| May | 49.9 °F | 73.1 °F | 4.87 in. |
| June | 60.8 °F | 83.3 °F | 4.08 in. |
| July | 65.0 °F | 86.8 °F | 3.61 in. |
| August | 62.6 °F | 84.7 °F | 3.56 in. |
| September | 53.5 °F | 78.8 °F | 2.72 in. |
| October | 40.6 °F | 66.3 °F | 2.14 in. |
| November | 27.8 °F | 51.3 °F | 1.14 in. |
| December | 18.6 °F | 38.6 °F | 0.94 in. |
| Annual | 39.8 °F | 62.8 °F | 28.19 in. |
| 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 : -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 |