McClusky, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.8 °C (low) to 11.4 °C (high). Annual precipitation averages 464.3 Millimeters. McClusky is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.9 °C | -6.8 °C | 12.19 mm |
| February | -14.9 °C | -4.4 °C | 11.94 mm |
| March | -8.4 °C | 2.6 °C | 15.49 mm |
| April | -1.3 °C | 12.1 °C | 27.69 mm |
| May | 5.7 °C | 19.3 °C | 65.53 mm |
| June | 11.6 °C | 24.3 °C | 88.65 mm |
| July | 14.3 °C | 27.7 °C | 71.37 mm |
| August | 13 °C | 27.6 °C | 52.07 mm |
| September | 7.9 °C | 22.1 °C | 48.51 mm |
| October | 0.7 °C | 13.1 °C | 35.56 mm |
| November | -7.2 °C | 3.2 °C | 19.56 mm |
| December | -13.6 °C | -4.2 °C | 15.75 mm |
| Annual | -0.8 °C | 11.4 °C | 464.31 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°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 |