Braham, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.1 °F (low) to 53.2 °F (high). Annual precipitation averages 31.3 Inches. Braham is located in USDA Plant Hardiness Zone 4b. 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 | 2.0 °F | 21.5 °F | 0.73 in. |
| February | 5.6 °F | 26.9 °F | 0.85 in. |
| March | 18.3 °F | 39.4 °F | 1.52 in. |
| April | 31.2 °F | 53.8 °F | 2.79 in. |
| May | 43.7 °F | 67.1 °F | 3.95 in. |
| June | 54.0 °F | 76.4 °F | 4.4 in. |
| July | 58.6 °F | 80.7 °F | 4.32 in. |
| August | 56.0 °F | 78.8 °F | 3.99 in. |
| September | 47.6 °F | 70.7 °F | 3.2 in. |
| October | 35.5 °F | 56.5 °F | 2.88 in. |
| November | 23.1 °F | 40.2 °F | 1.61 in. |
| December | 9.9 °F | 26.7 °F | 1.09 in. |
| Annual | 32.1 °F | 53.2 °F | 31.33 in. |
| 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |