Gackle, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.7 °C (low) to 11.1 °C (high). Annual precipitation averages 531.6 Millimeters. Gackle is located in USDA Plant Hardiness Zone 4a. 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 | -17.3 °C | -7.2 °C | 11.18 mm |
| February | -15.1 °C | -4.6 °C | 11.68 mm |
| March | -8.6 °C | 2.2 °C | 19.81 mm |
| April | -1.4 °C | 11.8 °C | 34.54 mm |
| May | 5.8 °C | 18.8 °C | 77.47 mm |
| June | 12 °C | 24.1 °C | 96.27 mm |
| July | 14.6 °C | 27.1 °C | 90.93 mm |
| August | 13.2 °C | 26.6 °C | 60.45 mm |
| September | 8.2 °C | 21.8 °C | 54.86 mm |
| October | 0.8 °C | 12.9 °C | 41.91 mm |
| November | -7.1 °C | 3.3 °C | 14.99 mm |
| December | -13.3 °C | -4.2 °C | 17.53 mm |
| Annual | -0.7 °C | 11.1 °C | 531.62 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 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |