Hai Phong — Water Temperature in January

Water Temperature Range

18°C

minimum

19°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

14°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

21 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

3 hrs

Average Wind Speed

10 km/h

Average Humidity

81%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.