Braddock, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.7 °C (low) to 11.7 °C (high). Annual precipitation averages 484.6 Millimeters. Braddock 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 | -16.9 °C | -6.4 °C | 9.91 mm |
| February | -14.7 °C | -3.9 °C | 11.43 mm |
| March | -8.2 °C | 3.1 °C | 18.03 mm |
| April | -1.3 °C | 12.1 °C | 32.26 mm |
| May | 5.6 °C | 19.1 °C | 64.77 mm |
| June | 11.6 °C | 24.3 °C | 88.14 mm |
| July | 14.4 °C | 27.9 °C | 87.38 mm |
| August | 13 °C | 27.6 °C | 57.15 mm |
| September | 7.8 °C | 22.4 °C | 45.72 mm |
| October | 0.6 °C | 13.4 °C | 42.16 mm |
| November | -7.2 °C | 3.9 °C | 13.21 mm |
| December | -13.3 °C | -3.5 °C | 14.48 mm |
| Annual | -0.7 °C | 11.7 °C | 484.64 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 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |