Halsey, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.1 °F (low) to 61.9 °F (high). Annual precipitation averages 24.1 Inches. Halsey 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 | 12.3 °F | 36.8 °F | 0.52 in. |
| February | 14.9 °F | 39.8 °F | 0.82 in. |
| March | 23.9 °F | 50.5 °F | 1.26 in. |
| April | 33.3 °F | 59.8 °F | 2.96 in. |
| May | 44.3 °F | 70.3 °F | 4.01 in. |
| June | 54.9 °F | 80.9 °F | 3.88 in. |
| July | 60.3 °F | 87.4 °F | 2.78 in. |
| August | 57.8 °F | 85.7 °F | 2.66 in. |
| September | 47.9 °F | 78.1 °F | 2.06 in. |
| October | 34.2 °F | 64.5 °F | 1.79 in. |
| November | 22.8 °F | 49.9 °F | 0.8 in. |
| December | 14.1 °F | 38.8 °F | 0.56 in. |
| Annual | 35.1 °F | 61.9 °F | 24.1 in. |
| 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |