Minto, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.8 °F (low) to 49.6 °F (high). Annual precipitation averages 21.5 Inches. Minto is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.6 °F | 14.3 °F | 0.54 in. |
| February | 0.9 °F | 19.2 °F | 0.51 in. |
| March | 14.8 °F | 32.0 °F | 0.84 in. |
| April | 30.1 °F | 50.7 °F | 1.09 in. |
| May | 42.7 °F | 65.6 °F | 3.14 in. |
| June | 54.4 °F | 75.3 °F | 3.86 in. |
| July | 57.9 °F | 79.7 °F | 3.16 in. |
| August | 54.8 °F | 79.3 °F | 2.8 in. |
| September | 45.9 °F | 70.1 °F | 2.2 in. |
| October | 33.8 °F | 53.8 °F | 1.75 in. |
| November | 19.0 °F | 35.1 °F | 0.87 in. |
| December | 5.4 °F | 20.6 °F | 0.75 in. |
| Annual | 29.8 °F | 49.6 °F | 21.51 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |