August in Đồng Hới averages a daily high of 33.3°C. Expect roughly 9.8 wet days totalling 135.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Đồng Hới is January–April.
Based on DONG HOI, VM (2.8km), 1995–2024. 20 years of August data.