Hardy, 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 18.1 °C (high). Annual precipitation averages 709.2 Millimeters. Hardy is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9 °C | 3.1 °C | 17.02 mm |
| February | -7.1 °C | 5.7 °C | 20.07 mm |
| March | -1.9 °C | 12.2 °C | 37.85 mm |
| April | 3.8 °C | 18.2 °C | 63.25 mm |
| May | 10.2 °C | 23.6 °C | 114.81 mm |
| June | 16.3 °C | 29.4 °C | 100.33 mm |
| July | 18.8 °C | 31.9 °C | 104.65 mm |
| August | 17.6 °C | 30.6 °C | 84.07 mm |
| September | 12.2 °C | 26.7 °C | 59.94 mm |
| October | 5.1 °C | 19.7 °C | 52.58 mm |
| November | -1.9 °C | 11.3 °C | 31.5 mm |
| December | -7.1 °C | 4.7 °C | 23.11 mm |
| Annual | 4.8 °C | 18.1 °C | 709.18 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |