Solen, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.9 °F (low) to 55.7 °F (high). Annual precipitation averages 17.9 Inches. 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 | 2.2 °F | 23.7 °F | 0.38 in. |
| February | 7.3 °F | 28.3 °F | 0.43 in. |
| March | 18.5 °F | 41.1 °F | 0.59 in. |
| April | 30.0 °F | 56.6 °F | 1.45 in. |
| May | 41.8 °F | 68.6 °F | 2.63 in. |
| June | 52.4 °F | 77.8 °F | 3.41 in. |
| July | 57.5 °F | 84.9 °F | 3.07 in. |
| August | 55.5 °F | 84.4 °F | 1.97 in. |
| September | 45.7 °F | 74.9 °F | 1.53 in. |
| October | 32.3 °F | 58.9 °F | 1.4 in. |
| November | 19.2 °F | 41.4 °F | 0.56 in. |
| December | 8.4 °F | 28.3 °F | 0.44 in. |
| Annual | 30.9 °F | 55.7 °F | 17.86 in. |
| 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 : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |