Kenmare, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2 °C (low) to 10.2 °C (high). Annual precipitation averages 450.6 Millimeters. Kenmare 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 | -18.2 °C | -8 °C | 15.24 mm |
| February | -15.9 °C | -5.4 °C | 13.46 mm |
| March | -9.7 °C | 1.2 °C | 17.53 mm |
| April | -2.4 °C | 10.8 °C | 24.13 mm |
| May | 4.6 °C | 18.2 °C | 67.31 mm |
| June | 10.7 °C | 22.9 °C | 92.71 mm |
| July | 12.9 °C | 26.3 °C | 69.6 mm |
| August | 11.5 °C | 26.7 °C | 47.24 mm |
| September | 6.3 °C | 20.9 °C | 39.12 mm |
| October | -0.6 °C | 11.7 °C | 33.78 mm |
| November | -8.1 °C | 2.1 °C | 16 mm |
| December | -14.9 °C | -5.4 °C | 14.48 mm |
| Annual | -2 °C | 10.2 °C | 450.6 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°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 |