Eau Claire, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.4 °F (low) to 58.4 °F (high). Annual precipitation averages 39.6 Inches. Eau Claire is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.1 °F | 31.6 °F | 2.75 in. |
| February | 19.8 °F | 34.5 °F | 2.12 in. |
| March | 27.5 °F | 45.0 °F | 2.23 in. |
| April | 37.9 °F | 57.8 °F | 3.56 in. |
| May | 48.9 °F | 69.2 °F | 3.77 in. |
| June | 58.0 °F | 78.5 °F | 4.04 in. |
| July | 61.8 °F | 82.5 °F | 3.87 in. |
| August | 60.6 °F | 80.8 °F | 4.32 in. |
| September | 53.1 °F | 74.6 °F | 3.35 in. |
| October | 42.2 °F | 61.8 °F | 4.07 in. |
| November | 32.6 °F | 47.9 °F | 3.04 in. |
| December | 24.2 °F | 36.5 °F | 2.47 in. |
| Annual | 40.4 °F | 58.4 °F | 39.59 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |