Braham, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.1 °C (low) to 11.8 °C (high). Annual precipitation averages 795.8 Millimeters. 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 | -16.7 °C | -5.8 °C | 18.54 mm |
| February | -14.7 °C | -2.8 °C | 21.59 mm |
| March | -7.6 °C | 4.1 °C | 38.61 mm |
| April | -0.4 °C | 12.1 °C | 70.87 mm |
| May | 6.5 °C | 19.5 °C | 100.33 mm |
| June | 12.2 °C | 24.7 °C | 111.76 mm |
| July | 14.8 °C | 27.1 °C | 109.73 mm |
| August | 13.3 °C | 26 °C | 101.35 mm |
| September | 8.7 °C | 21.5 °C | 81.28 mm |
| October | 1.9 °C | 13.6 °C | 73.15 mm |
| November | -4.9 °C | 4.6 °C | 40.89 mm |
| December | -12.3 °C | -2.9 °C | 27.69 mm |
| Annual | 0.1 °C | 11.8 °C | 795.79 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 4b : -31.7°C to -28.9°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 |