Deering, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.8 °C (low) to 10.8 °C (high). Annual precipitation averages 467.6 Millimeters. Deering 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 | -18.6 °C | -7.9 °C | 13.46 mm |
| February | -16.4 °C | -5.2 °C | 13.46 mm |
| March | -9.6 °C | 1.6 °C | 18.54 mm |
| April | -2.1 °C | 11.6 °C | 22.61 mm |
| May | 5.2 °C | 19.1 °C | 66.55 mm |
| June | 11.3 °C | 23.9 °C | 97.03 mm |
| July | 13.6 °C | 27.2 °C | 70.1 mm |
| August | 11.9 °C | 27.3 °C | 51.82 mm |
| September | 6.7 °C | 21.7 °C | 41.66 mm |
| October | -0.5 °C | 12.7 °C | 35.31 mm |
| November | -8.3 °C | 2.5 °C | 20.57 mm |
| December | -15.2 °C | -5.1 °C | 16.51 mm |
| Annual | -1.8 °C | 10.8 °C | 467.62 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |