The highest day temperature in March 2025 was 86°F. The lowest night temperature was 58°F. The average values for day and night temperatures during March were 75.7°F и 67.2°F respectivly.

The average sea surface temperature in March 2025 for Hai Phong was 70.2°F. The maximum and minimum values were 66.6°F and 73.6°F respectively.

Most of the days in March are gloomy but you can also expect sunny days.

Precipitation total in March for Hai Phong is 1.2 in.

The average wind speed in March is 7.7 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hai Phong in March is 4.0 hours.