Minto, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.3 °C (low) to 9.8 °C (high). Annual precipitation averages 546.4 Millimeters. 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 | -19.2 °C | -9.8 °C | 13.72 mm |
| February | -17.3 °C | -7.1 °C | 12.95 mm |
| March | -9.6 °C | 0 °C | 21.34 mm |
| April | -1.1 °C | 10.4 °C | 27.69 mm |
| May | 5.9 °C | 18.7 °C | 79.76 mm |
| June | 12.4 °C | 24.1 °C | 98.04 mm |
| July | 14.4 °C | 26.5 °C | 80.26 mm |
| August | 12.7 °C | 26.3 °C | 71.12 mm |
| September | 7.7 °C | 21.2 °C | 55.88 mm |
| October | 1 °C | 12.1 °C | 44.45 mm |
| November | -7.2 °C | 1.7 °C | 22.1 mm |
| December | -14.8 °C | -6.3 °C | 19.05 mm |
| Annual | -1.3 °C | 9.8 °C | 546.36 mm |
| 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 : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |