Eau Claire, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.5 °F (low) to 55.3 °F (high). Annual precipitation averages 32.8 Inches. Eau Claire 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.4 °F | 23.9 °F | 1.05 in. |
| February | 9.8 °F | 28.7 °F | 1.09 in. |
| March | 21.8 °F | 41.2 °F | 1.91 in. |
| April | 34.6 °F | 56.2 °F | 3.05 in. |
| May | 46.8 °F | 69.1 °F | 4.01 in. |
| June | 57.2 °F | 78.4 °F | 4.62 in. |
| July | 61.2 °F | 82.6 °F | 3.7 in. |
| August | 59.0 °F | 80.5 °F | 3.97 in. |
| September | 50.6 °F | 72.8 °F | 3.64 in. |
| October | 38.3 °F | 58.7 °F | 2.65 in. |
| November | 26.1 °F | 42.5 °F | 1.72 in. |
| December | 13.9 °F | 29.2 °F | 1.36 in. |
| Annual | 35.5 °F | 55.3 °F | 32.77 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |