Keratsini — Water Temperature in April

Water Temperature Range

14°C

minimum

16°C

average

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

32 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

8 hrs

Average Wind Speed

12 km/h

Average Humidity

63%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.