Ruso, North Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.9 °C (low) to 10.7 °C (high). Annual precipitation averages 476.3 Millimeters. 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 | -17.1 °C | -7.3 °C | 12.7 mm |
| February | -15.3 °C | -4.8 °C | 11.94 mm |
| March | -8.7 °C | 2.2 °C | 17.78 mm |
| April | -1.6 °C | 10.9 °C | 28.19 mm |
| May | 5.4 °C | 18.1 °C | 72.64 mm |
| June | 11.5 °C | 23.3 °C | 89.41 mm |
| July | 14.2 °C | 27.1 °C | 71.88 mm |
| August | 13 °C | 27.1 °C | 57.91 mm |
| September | 7.6 °C | 21.3 °C | 44.96 mm |
| October | 0.3 °C | 12.1 °C | 35.31 mm |
| November | -7.1 °C | 2.8 °C | 18.29 mm |
| December | -13.4 °C | -4.5 °C | 15.24 mm |
| Annual | -0.9 °C | 10.7 °C | 476.25 mm |
| 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 : -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 | BSk - Cold Semi-Arid Climate |