East Dunseith, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.9 °C (low) to 8.7 °C (high). Annual precipitation averages 514.9 Millimeters. East Dunseith is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -19.8 °C | -9.2 °C | 14.73 mm |
| February | -18.3 °C | -6.7 °C | 16.76 mm |
| March | -11.2 °C | -0.2 °C | 19.3 mm |
| April | -3.2 °C | 9.3 °C | 23.88 mm |
| May | 4 °C | 17.2 °C | 67.31 mm |
| June | 10.1 °C | 21.7 °C | 102.87 mm |
| July | 12.6 °C | 24.5 °C | 82.8 mm |
| August | 11.2 °C | 24.6 °C | 66.55 mm |
| September | 5.8 °C | 19.1 °C | 43.69 mm |
| October | -0.9 °C | 10.3 °C | 38.61 mm |
| November | -9.2 °C | 0.6 °C | 19.81 mm |
| December | -16.3 °C | -6.6 °C | 18.54 mm |
| Annual | -2.9 °C | 8.7 °C | 514.85 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |