Rotterdam — Water Temperature in June

Water Temperature Range

12°C

minimum

16°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	2026	2025	2024	2023
JUN 1	-	15°C	14°C	13°C
JUN 2	15°C	14°C	14°C	14°C
JUN 3	16°C	14°C	14°C	14°C
JUN 4	16°C	14°C	14°C	13°C
JUN 5	16°C	14°C	14°C	14°C
JUN 6	16°C	14°C	14°C	14°C
JUN 7	16°C	14°C	14°C	14°C
JUN 8	16°C	15°C	14°C	15°C
JUN 9	-	15°C	14°C	15°C
JUN 10	16°C	15°C	15°C	15°C
JUN 11	16°C	14°C	14°C	14°C
JUN 12	16°C	15°C	15°C	15°C
JUN 13	17°C	15°C	15°C	15°C
JUN 14	17°C	15°C	15°C	15°C
JUN 15	17°C	15°C	15°C	15°C
JUN 16	17°C	16°C	16°C	15°C
JUN 17	17°C	16°C	15°C	16°C
JUN 18	17°C	16°C	15°C	16°C
JUN 19	17°C	16°C	16°C	17°C
JUN 20	17°C	16°C	16°C	16°C
JUN 21	17°C	16°C	16°C	16°C
JUN 22	18°C	17°C	17°C	17°C
JUN 23	18°C	17°C	16°C	17°C
JUN 24	18°C	17°C	17°C	17°C
JUN 25	19°C	17°C	17°C	17°C
JUN 26	19°C	17°C	17°C	16°C
JUN 27	20°C	17°C	17°C	16°C
JUN 28	20°C	17°C	17°C	17°C
JUN 29	20°C	17°C	17°C	17°C
JUN 30	20°C	18°C	18°C	17°C

June: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

64 mm

Number of Rainy Days

Daylight per Day

16 hrs

Sunshine per Day

7 hrs

Average Wind Speed

18 km/h

Average Humidity

80%

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.