August in Aizu-Wakamatsu averages a daily high of 30.9°C. Expect roughly 12 wet days totalling 111.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Aizu-Wakamatsu is May–June.
Based on WAKAMATSU, JA (2.7km), 1995–2024. 22 years of August data.