January in Eau Claire averages a daily high of -4.1°C with nights around -12.2°C. Expect roughly 8.6 wet days totalling 23.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Eau Claire is May–September.
Based on EAU CLAIRE 3 SW, WI US (3km), 1995–2024. 14 years of January data.