Aten, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.7 °C (low) to 15 °C (high). Annual precipitation averages 694.7 Millimeters. Aten 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 | -12.5 °C | -1.8 °C | 13.97 mm |
| February | -10.5 °C | 1.1 °C | 19.05 mm |
| March | -4.4 °C | 7.7 °C | 36.32 mm |
| April | 1.9 °C | 14.9 °C | 74.17 mm |
| May | 8.7 °C | 21.4 °C | 105.41 mm |
| June | 14.9 °C | 27.3 °C | 104.9 mm |
| July | 17.4 °C | 29.9 °C | 74.68 mm |
| August | 16.1 °C | 28.6 °C | 81.53 mm |
| September | 10.9 °C | 24.6 °C | 71.12 mm |
| October | 3.4 °C | 17 °C | 65.79 mm |
| November | -3.8 °C | 8.1 °C | 27.18 mm |
| December | -9.8 °C | 0.7 °C | 20.57 mm |
| Annual | 2.7 °C | 15 °C | 694.69 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 | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |