August in Bloomington averages a daily high of 29.4°C with nights around 17.8°C. Expect roughly 7.6 wet days totalling 81mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Bloomington is September–October.
Based on BLOOMINGTON INDIANA UNIVERSITY, IN US (1.1km), 1995–2024. 29 years of August data.