De Kelders — Water Temperature in July

Water Temperature Range

13°C

minimum

16°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

91 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

14 km/h

Average Humidity

76%

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.