Penghu Islands — Water Temperature in January

Water Temperature Range

17°C

minimum

21°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

16°C

Average Day Air Temperature

21°C

Precipitation Amount per Month

44 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

4 hrs

Average Wind Speed

12 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.