Nagoya — Water Temperature in January

Water Temperature Range

12°C

minimum

16°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

1°C

Average Day Air Temperature

9°C

Precipitation Amount per Month

74 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

5 hrs

Average Wind Speed

14 km/h

Average Humidity

65%

With such a ratio between the average monthly temperatures of water and air, swimming usually feels uncomfortably cold. Even a short dip can leave you chilled, especially once you get out into the cool air.

Water Temperature in Nearby Locations

Toba