Rosalie, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.9 °C (low) to 15.6 °C (high). Annual precipitation averages 761.5 Millimeters. Rosalie 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 | -11.8 °C | -1.1 °C | 16.26 mm |
| February | -9.4 °C | 1.4 °C | 21.59 mm |
| March | -3.9 °C | 8.7 °C | 39.88 mm |
| April | 2.3 °C | 16.2 °C | 85.85 mm |
| May | 9 °C | 22.3 °C | 105.41 mm |
| June | 15.1 °C | 27.9 °C | 120.9 mm |
| July | 17.2 °C | 30 °C | 82.55 mm |
| August | 15.9 °C | 28.8 °C | 96.77 mm |
| September | 10.5 °C | 25.2 °C | 76.2 mm |
| October | 3.6 °C | 17.9 °C | 56.39 mm |
| November | -3.9 °C | 8.6 °C | 34.8 mm |
| December | -9.5 °C | 1.2 °C | 24.89 mm |
| Annual | 2.9 °C | 15.6 °C | 761.49 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |