Orleans, 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 18.4 °C (high). Annual precipitation averages 638.8 Millimeters. Orleans 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 | -9.4 °C | 3.9 °C | 13.21 mm |
| February | -7.8 °C | 6.2 °C | 18.8 mm |
| March | -2.8 °C | 12.6 °C | 35.56 mm |
| April | 2.7 °C | 18.1 °C | 59.18 mm |
| May | 9.2 °C | 23.6 °C | 97.28 mm |
| June | 15.4 °C | 29.7 °C | 92.96 mm |
| July | 18.3 °C | 32.4 °C | 100.33 mm |
| August | 16.9 °C | 31.1 °C | 80.77 mm |
| September | 11.6 °C | 27.2 °C | 44.2 mm |
| October | 3.8 °C | 19.8 °C | 54.1 mm |
| November | -3.3 °C | 11.8 °C | 24.89 mm |
| December | -8.3 °C | 4.9 °C | 17.53 mm |
| Annual | 3.9 °C | 18.4 °C | 638.81 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |