Solen, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.6 °C (low) to 13.2 °C (high). Annual precipitation averages 453.6 Millimeters. Solen is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.6 °C | -4.6 °C | 9.65 mm |
| February | -13.7 °C | -2.1 °C | 10.92 mm |
| March | -7.5 °C | 5.1 °C | 14.99 mm |
| April | -1.1 °C | 13.7 °C | 36.83 mm |
| May | 5.4 °C | 20.3 °C | 66.8 mm |
| June | 11.3 °C | 25.4 °C | 86.61 mm |
| July | 14.2 °C | 29.4 °C | 77.98 mm |
| August | 13.1 °C | 29.1 °C | 50.04 mm |
| September | 7.6 °C | 23.8 °C | 38.86 mm |
| October | 0.2 °C | 14.9 °C | 35.56 mm |
| November | -7.1 °C | 5.2 °C | 14.22 mm |
| December | -13.1 °C | -2.1 °C | 11.18 mm |
| Annual | -0.6 °C | 13.2 °C | 453.64 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |