December in Haiphong averages a daily high of 22.2°C with nights around 15°C. Expect roughly 5 wet days totalling 24.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Haiphong is November–January.
Based on PHU LIEN, VM (8.9km), 1995–2024. 20 years of December data.