Dalton, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.7 °C (low) to 16.9 °C (high). Annual precipitation averages 496.3 Millimeters. Dalton is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.9 °C | 4.6 °C | 9.4 mm |
| February | -8 °C | 5.9 °C | 15.75 mm |
| March | -4.1 °C | 11.2 °C | 24.89 mm |
| April | -0.1 °C | 15.3 °C | 56.13 mm |
| May | 5.6 °C | 20.6 °C | 75.95 mm |
| June | 11.2 °C | 26.9 °C | 77.72 mm |
| July | 14.8 °C | 31.1 °C | 67.56 mm |
| August | 13.4 °C | 29.9 °C | 50.8 mm |
| September | 8.3 °C | 25.1 °C | 47.75 mm |
| October | 1.4 °C | 17.2 °C | 39.37 mm |
| November | -4.4 °C | 10.2 °C | 16 mm |
| December | -8.8 °C | 4.7 °C | 14.99 mm |
| Annual | 1.7 °C | 16.9 °C | 496.31 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |