May in Eau Claire averages a daily high of 21.1°C with nights around 9.5°C. Expect roughly 13.1 wet days totalling 102.2mm. Generally workable, with some weather to plan around.
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 May data.