Mohall, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 28.2 °F (low) to 50.2 °F (high). Annual precipitation averages 18 Inches. Mohall 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 | -1.7 °F | 16.6 °F | 0.55 in. |
| February | 2.2 °F | 21.6 °F | 0.48 in. |
| March | 14.1 °F | 33.4 °F | 0.78 in. |
| April | 28.0 °F | 51.7 °F | 0.98 in. |
| May | 40.7 °F | 65.1 °F | 2.61 in. |
| June | 51.7 °F | 73.7 °F | 3.7 in. |
| July | 55.6 °F | 79.6 °F | 2.61 in. |
| August | 52.9 °F | 79.9 °F | 2.09 in. |
| September | 43.5 °F | 70.1 °F | 1.61 in. |
| October | 30.8 °F | 53.7 °F | 1.28 in. |
| November | 16.8 °F | 35.3 °F | 0.73 in. |
| December | 4.2 °F | 21.6 °F | 0.62 in. |
| Annual | 28.2 °F | 50.2 °F | 18.04 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 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |