Hai Phong — Water Temperature in March

Water Temperature Range

18°C

minimum

21°C

average

23°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
MAR 1	-10°C	20°C	18°C	21°C
MAR 2	20°C	20°C	18°C	21°C
MAR 3	20°C	20°C	18°C	21°C
MAR 4	21°C	20°C	19°C	20°C
MAR 5	21°C	20°C	19°C	21°C
MAR 6	21°C	20°C	19°C	21°C
MAR 7	20°C	21°C	19°C	21°C
MAR 8	20°C	20°C	19°C	21°C
MAR 9	20°C	21°C	19°C	21°C
MAR 10	20°C	20°C	19°C	20°C
MAR 11	20°C	21°C	19°C	21°C
MAR 12	20°C	21°C	19°C	22°C
MAR 13	20°C	21°C	20°C	21°C
MAR 14	21°C	21°C	19°C	21°C
MAR 15	21°C	22°C	20°C	22°C
MAR 16	22°C	21°C	20°C	21°C
MAR 17	22°C	21°C	20°C	21°C
MAR 18	22°C	22°C	21°C	22°C
MAR 19	22°C	22°C	20°C	22°C
MAR 20	22°C	22°C	20°C	22°C
MAR 21	23°C	22°C	20°C	22°C
MAR 22	23°C	22°C	19°C	22°C
MAR 23	23°C	22°C	19°C	23°C
MAR 24	23°C	22°C	20°C	22°C
MAR 25	24°C	22°C	20°C	22°C
MAR 26	24°C	22°C	20°C	22°C
MAR 27	24°C	22°C	21°C	21°C
MAR 28	25°C	22°C	21°C	22°C
MAR 29	25°C	22°C	21°C	22°C
MAR 30	25°C	22°C	22°C	21°C
MAR 31	25°C	22°C	22°C	22°C

March: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

47 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

3 hrs

Average Wind Speed

9 km/h

Average Humidity

85%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.