Mylo, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.7 °C (low) to 9.1 °C (high). Annual precipitation averages 499.4 Millimeters. Mylo is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.1 °C | -9.6 °C | 12.95 mm |
| February | -18.3 °C | -7.2 °C | 13.97 mm |
| March | -10.9 °C | -0.4 °C | 21.59 mm |
| April | -2.7 °C | 9.8 °C | 23.88 mm |
| May | 4.4 °C | 17.8 °C | 69.6 mm |
| June | 10.7 °C | 22.7 °C | 91.95 mm |
| July | 12.9 °C | 25.6 °C | 83.06 mm |
| August | 11.3 °C | 25.4 °C | 64.01 mm |
| September | 6.2 °C | 20.2 °C | 45.97 mm |
| October | -0.9 °C | 11 °C | 36.58 mm |
| November | -9.1 °C | 0.9 °C | 19.05 mm |
| December | -16.4 °C | -6.8 °C | 16.76 mm |
| Annual | -2.7 °C | 9.1 °C | 499.37 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |