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In terms of precipitation, rainfall in Haiphong ranges from 0.8 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. January is typically the driest time to visit Haiphong when rainfall is around 0.8 in.
If weather is an important factor for your trip to Haiphong, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).