August in Haiphong averages a daily high of 31.7°C. Expect roughly 16.7 wet days totalling 364.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Haiphong is November–January.
Based on PHU LIEN, VM (8.9km), 1995–2024. 19 years of August data.