Yonakuni — Water Temperature in April

Water Temperature Range

18°C

minimum

25°C

average

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

20°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

151 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

4 hrs

Average Wind Speed

16 km/h

Average Humidity

81%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.