Hai Phong — Water Temperature in April

Water Temperature Range

20°C

minimum

24°C

average

29°C

maximum

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

20°C

Average Day Air Temperature

26°C

Precipitation Amount per Month

66 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

4 hrs

Average Wind Speed

10 km/h

Average Humidity

84%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.