Kiyu — Water Temperature in January

Water Temperature Range

22°C

minimum

24°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

27°C

Precipitation Amount per Month

87 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

17 km/h

Average Humidity

69%

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.