Keshena, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.7 °F (low) to 54.7 °F (high). Annual precipitation averages 33.1 Inches. Keshena is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.0 °F | 24.8 °F | 1.28 in. |
| February | 8.7 °F | 29.0 °F | 1.11 in. |
| March | 19.5 °F | 40.5 °F | 1.77 in. |
| April | 32.0 °F | 54.6 °F | 3.07 in. |
| May | 44.1 °F | 67.5 °F | 3.72 in. |
| June | 54.2 °F | 77.0 °F | 4.47 in. |
| July | 58.2 °F | 81.3 °F | 3.84 in. |
| August | 56.2 °F | 79.3 °F | 3.62 in. |
| September | 48.0 °F | 71.6 °F | 3.63 in. |
| October | 36.5 °F | 57.8 °F | 3.03 in. |
| November | 25.9 °F | 42.8 °F | 1.93 in. |
| December | 14.3 °F | 29.9 °F | 1.63 in. |
| Annual | 33.7 °F | 54.7 °F | 33.1 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |