Sutton, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.2 °C (low) to 10.2 °C (high). Annual precipitation averages 530.4 Millimeters. Sutton 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 | -18.4 °C | -8.7 °C | 12.7 mm |
| February | -16.3 °C | -6 °C | 11.94 mm |
| March | -9.2 °C | 0.9 °C | 19.81 mm |
| April | -1.6 °C | 10.6 °C | 25.91 mm |
| May | 5.7 °C | 18.8 °C | 67.82 mm |
| June | 12.2 °C | 23.8 °C | 97.79 mm |
| July | 14.4 °C | 26.5 °C | 92.46 mm |
| August | 12.9 °C | 26.2 °C | 68.07 mm |
| September | 7.7 °C | 21.3 °C | 55.88 mm |
| October | 0.5 °C | 12.4 °C | 42.67 mm |
| November | -7.4 °C | 2.4 °C | 18.29 mm |
| December | -14.3 °C | -5.6 °C | 17.02 mm |
| Annual | -1.2 °C | 10.2 °C | 530.36 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |