Gresham, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.9 °C (low) to 16.7 °C (high). Annual precipitation averages 720.6 Millimeters. Gresham 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 | -10.2 °C | 1.2 °C | 15.75 mm |
| February | -8.2 °C | 3.7 °C | 17.53 mm |
| March | -2.8 °C | 10.5 °C | 39.37 mm |
| April | 2.9 °C | 16.9 °C | 70.1 mm |
| May | 9.8 °C | 22.7 °C | 126.49 mm |
| June | 15.8 °C | 28.3 °C | 105.41 mm |
| July | 18.1 °C | 30.3 °C | 83.82 mm |
| August | 16.7 °C | 29.2 °C | 90.42 mm |
| September | 11.5 °C | 25.8 °C | 62.23 mm |
| October | 4.3 °C | 18.6 °C | 52.83 mm |
| November | -2.8 °C | 10.2 °C | 33.27 mm |
| December | -8.2 °C | 3 °C | 23.37 mm |
| Annual | 3.9 °C | 16.7 °C | 720.59 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |