Gackle, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.8 °F (low) to 51.9 °F (high). Annual precipitation averages 20.9 Inches. 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 | 0.9 °F | 19.0 °F | 0.44 in. |
| February | 4.9 °F | 23.7 °F | 0.46 in. |
| March | 16.5 °F | 35.9 °F | 0.78 in. |
| April | 29.5 °F | 53.2 °F | 1.36 in. |
| May | 42.4 °F | 65.8 °F | 3.05 in. |
| June | 53.6 °F | 75.4 °F | 3.79 in. |
| July | 58.2 °F | 80.8 °F | 3.58 in. |
| August | 55.7 °F | 79.8 °F | 2.38 in. |
| September | 46.7 °F | 71.3 °F | 2.16 in. |
| October | 33.5 °F | 55.3 °F | 1.65 in. |
| November | 19.2 °F | 38.0 °F | 0.59 in. |
| December | 8.0 °F | 24.4 °F | 0.69 in. |
| Annual | 30.8 °F | 51.9 °F | 20.93 in. |
| 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 : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |