Wildrose, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.4 °C (low) to 10.2 °C (high). Annual precipitation averages 418.6 Millimeters. Wildrose is located in USDA Plant Hardiness Zone 3b. 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 | -18.5 °C | -7.9 °C | 13.21 mm |
| February | -16.1 °C | -5.4 °C | 10.41 mm |
| March | -9.7 °C | 1.4 °C | 13.72 mm |
| April | -2.5 °C | 11.1 °C | 22.35 mm |
| May | 4.1 °C | 18 °C | 57.4 mm |
| June | 9.9 °C | 22.7 °C | 86.87 mm |
| July | 12.4 °C | 26.2 °C | 70.61 mm |
| August | 11.3 °C | 26.7 °C | 41.91 mm |
| September | 5.7 °C | 20.9 °C | 37.85 mm |
| October | -1.3 °C | 11.7 °C | 32 mm |
| November | -8.7 °C | 1.8 °C | 15.49 mm |
| December | -15.3 °C | -5.3 °C | 16.76 mm |
| Annual | -2.4 °C | 10.2 °C | 418.58 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 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |