Emerson, 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 15.4 °C (high). Annual precipitation averages 750.3 Millimeters. Emerson is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12 °C | -1.1 °C | 15.75 mm |
| February | -9.7 °C | 1.2 °C | 20.57 mm |
| March | -4.2 °C | 8.4 °C | 40.64 mm |
| April | 1.8 °C | 15.7 °C | 82.8 mm |
| May | 8.8 °C | 22.1 °C | 101.85 mm |
| June | 14.9 °C | 27.5 °C | 125.48 mm |
| July | 17.1 °C | 29.6 °C | 77.47 mm |
| August | 15.7 °C | 28.3 °C | 92.46 mm |
| September | 10.4 °C | 24.9 °C | 76.71 mm |
| October | 3.3 °C | 17.8 °C | 58.42 mm |
| November | -4.1 °C | 8.7 °C | 33.78 mm |
| December | -9.6 °C | 1.3 °C | 24.38 mm |
| Annual | 2.7 °C | 15.4 °C | 750.31 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |