Yonakuni — Water Temperature in March

Water Temperature Range

15°C

minimum

23°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

18°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

130 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

3 hrs

Average Wind Speed

17 km/h

Average Humidity

79%

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.