Koksijde — Water Temperature in June

Water Temperature Range

12°C

minimum

15°C

average

18°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	2025	2024	2023	2022
JUN 1	14°C	14°C	13°C	13°C
JUN 2	14°C	14°C	13°C	13°C
JUN 3	14°C	14°C	14°C	13°C
JUN 4	14°C	14°C	13°C	13°C
JUN 5	14°C	14°C	14°C	13°C
JUN 6	14°C	15°C	13°C	13°C
JUN 7	14°C	15°C	14°C	14°C
JUN 8	15°C	15°C	14°C	14°C
JUN 9	15°C	15°C	14°C	14°C
JUN 10	15°C	15°C	15°C	14°C
JUN 11	15°C	15°C	15°C	14°C
JUN 12	15°C	15°C	14°C	14°C
JUN 13	15°C	15°C	15°C	15°C
JUN 14	16°C	15°C	16°C	15°C
JUN 15	15°C	15°C	15°C	15°C
JUN 16	16°C	16°C	16°C	15°C
JUN 17	16°C	15°C	16°C	15°C
JUN 18	16°C	16°C	16°C	15°C
JUN 19	16°C	16°C	16°C	16°C
JUN 20	16°C	16°C	16°C	16°C
JUN 21	16°C	17°C	16°C	16°C
JUN 22	16°C	17°C	16°C	16°C
JUN 23	16°C	17°C	16°C	16°C
JUN 24	17°C	17°C	16°C	16°C
JUN 25	17°C	17°C	17°C	17°C
JUN 26	17°C	18°C	16°C	17°C
JUN 27	17°C	17°C	16°C	17°C
JUN 28	17°C	17°C	16°C	17°C
JUN 29	17°C	17°C	16°C	17°C
JUN 30	17°C	18°C	16°C	17°C

June: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

56 mm

Number of Rainy Days

Daylight per Day

16 hrs

Sunshine per Day

7 hrs

Average Wind Speed

18 km/h

Average Humidity

82%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.