Ardoch, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.3 °C (low) to 10 °C (high). Annual precipitation averages 561.1 Millimeters. Ardoch is located in USDA Plant Hardiness Zone 4a. 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 | -19.4 °C | -9.7 °C | 14.22 mm |
| February | -17.4 °C | -7 °C | 13.46 mm |
| March | -9.6 °C | 0.3 °C | 21.34 mm |
| April | -1 °C | 10.6 °C | 28.19 mm |
| May | 6 °C | 18.9 °C | 81.53 mm |
| June | 12.4 °C | 24.2 °C | 100.84 mm |
| July | 14.4 °C | 26.7 °C | 82.55 mm |
| August | 12.8 °C | 26.4 °C | 72.9 mm |
| September | 7.9 °C | 21.3 °C | 58.93 mm |
| October | 1 °C | 12.2 °C | 45.97 mm |
| November | -7.3 °C | 1.9 °C | 21.84 mm |
| December | -14.8 °C | -6.2 °C | 19.3 mm |
| Annual | -1.3 °C | 10 °C | 561.07 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 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |