Lac du Flambeau, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.9 °F (low) to 50.7 °F (high). Annual precipitation averages 32.9 Inches. Lac du Flambeau is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.2 °F | 20.8 °F | 1.23 in. |
| February | 3.5 °F | 25.6 °F | 1.09 in. |
| March | 13.8 °F | 37.1 °F | 1.62 in. |
| April | 27.2 °F | 49.9 °F | 2.74 in. |
| May | 41.0 °F | 64.3 °F | 3.64 in. |
| June | 51.2 °F | 73.3 °F | 4.47 in. |
| July | 55.5 °F | 77.3 °F | 4.01 in. |
| August | 53.2 °F | 75.3 °F | 3.56 in. |
| September | 45.7 °F | 67.4 °F | 3.61 in. |
| October | 33.8 °F | 53.2 °F | 3.48 in. |
| November | 22.4 °F | 38.0 °F | 1.93 in. |
| December | 9.8 °F | 25.8 °F | 1.52 in. |
| Annual | 29.9 °F | 50.7 °F | 32.9 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°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 |