Humphrey, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.1 °C (low) to 15.9 °C (high). Annual precipitation averages 722.6 Millimeters. Humphrey is located in USDA Plant Hardiness Zone 5b. 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 | -11.1 °C | 0.4 °C | 15.49 mm |
| February | -9.2 °C | 2.8 °C | 18.54 mm |
| March | -3.7 °C | 9.5 °C | 39.37 mm |
| April | 2.2 °C | 15.9 °C | 74.42 mm |
| May | 8.9 °C | 21.9 °C | 113.28 mm |
| June | 15.1 °C | 27.6 °C | 115.57 mm |
| July | 17.3 °C | 29.7 °C | 84.84 mm |
| August | 16 °C | 28.3 °C | 87.88 mm |
| September | 10.7 °C | 24.9 °C | 66.04 mm |
| October | 3.4 °C | 17.8 °C | 55.63 mm |
| November | -3.8 °C | 9.2 °C | 29.46 mm |
| December | -8.9 °C | 2.3 °C | 22.1 mm |
| Annual | 3.1 °C | 15.9 °C | 722.62 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°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 |