Ruso, North Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 30.3 °F (low) to 51.2 °F (high). Annual precipitation averages 18.8 Inches. Ruso 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 | 1.3 °F | 18.8 °F | 0.5 in. |
| February | 4.5 °F | 23.4 °F | 0.47 in. |
| March | 16.4 °F | 36.0 °F | 0.7 in. |
| April | 29.1 °F | 51.7 °F | 1.11 in. |
| May | 41.8 °F | 64.6 °F | 2.86 in. |
| June | 52.7 °F | 73.9 °F | 3.52 in. |
| July | 57.5 °F | 80.7 °F | 2.83 in. |
| August | 55.4 °F | 80.7 °F | 2.28 in. |
| September | 45.7 °F | 70.3 °F | 1.77 in. |
| October | 32.6 °F | 53.8 °F | 1.39 in. |
| November | 19.2 °F | 37.0 °F | 0.72 in. |
| December | 7.8 °F | 23.9 °F | 0.6 in. |
| Annual | 30.3 °F | 51.2 °F | 18.75 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 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 | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |