Hai Phong — Water Temperature in December

Water Temperature Range

19°C

minimum

22°C

average

26°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	2025	2024	2023	2022
DEC 1	24°C	22°C	24°C	24°C
DEC 2	24°C	22°C	23°C	24°C
DEC 3	24°C	21°C	23°C	24°C
DEC 4	23°C	22°C	23°C	23°C
DEC 5	24°C	22°C	23°C	24°C
DEC 6	23°C	22°C	23°C	23°C
DEC 7	23°C	22°C	23°C	23°C
DEC 8	23°C	22°C	24°C	22°C
DEC 9	23°C	22°C	23°C	24°C
DEC 10	23°C	22°C	23°C	23°C
DEC 11	23°C	22°C	22°C	23°C
DEC 12	23°C	22°C	23°C	22°C
DEC 13	23°C	21°C	23°C	23°C
DEC 14	23°C	22°C	23°C	23°C
DEC 15	23°C	22°C	23°C	24°C
DEC 16	22°C	21°C	22°C	24°C
DEC 17	22°C	21°C	22°C	24°C
DEC 18	22°C	21°C	22°C	24°C
DEC 19	22°C	21°C	22°C	24°C
DEC 20	22°C	21°C	22°C	24°C
DEC 21	22°C	21°C	21°C	23°C
DEC 22	22°C	21°C	21°C	23°C
DEC 23	21°C	21°C	20°C	23°C
DEC 24	21°C	21°C	20°C	22°C
DEC 25	21°C	21°C	20°C	23°C
DEC 26	21°C	22°C	19°C	23°C
DEC 27	21°C	22°C	19°C	21°C
DEC 28	21°C	22°C	20°C	21°C
DEC 29	21°C	21°C	20°C	21°C
DEC 30	21°C	22°C	20°C	20°C
DEC 31	21°C	21°C	20°C	21°C

December: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

21 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

4 hrs

Average Wind Speed

10 km/h

Average Humidity

78%

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.