Weyerhaeuser, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.8 °F (low) to 53.3 °F (high). Annual precipitation averages 33.5 Inches. Weyerhaeuser is located in USDA Plant Hardiness Zone 4a. 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 | 2.7 °F | 22.3 °F | 1.06 in. |
| February | 5.4 °F | 27.6 °F | 1.01 in. |
| March | 17.8 °F | 39.8 °F | 1.8 in. |
| April | 30.9 °F | 54.6 °F | 2.78 in. |
| May | 43.1 °F | 67.5 °F | 4.1 in. |
| June | 53.2 °F | 76.1 °F | 4.33 in. |
| July | 57.3 °F | 79.9 °F | 4.22 in. |
| August | 55.0 °F | 78.1 °F | 4.12 in. |
| September | 47.0 °F | 70.4 °F | 3.68 in. |
| October | 35.0 °F | 56.4 °F | 3.3 in. |
| November | 23.2 °F | 40.0 °F | 1.84 in. |
| December | 10.6 °F | 27.4 °F | 1.3 in. |
| Annual | 31.8 °F | 53.3 °F | 33.54 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 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 |