Brocket, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.1 °F (low) to 48.5 °F (high). Annual precipitation averages 20.8 Inches. Brocket 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 | -2.8 °F | 14.2 °F | 0.48 in. |
| February | 0.4 °F | 19.0 °F | 0.45 in. |
| March | 13.7 °F | 31.4 °F | 0.73 in. |
| April | 28.7 °F | 49.2 °F | 0.98 in. |
| May | 41.8 °F | 64.0 °F | 2.88 in. |
| June | 53.5 °F | 73.4 °F | 3.99 in. |
| July | 57.9 °F | 78.2 °F | 3.51 in. |
| August | 55.3 °F | 77.8 °F | 2.67 in. |
| September | 45.7 °F | 68.5 °F | 1.93 in. |
| October | 32.5 °F | 52.5 °F | 1.72 in. |
| November | 17.9 °F | 34.2 °F | 0.81 in. |
| December | 4.5 °F | 19.7 °F | 0.67 in. |
| Annual | 29.1 °F | 48.5 °F | 20.82 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |