Rolfs — Water Temperature in July

Water Temperature Range

11°C

minimum

16°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

75 mm

Number of Rainy Days

Daylight per Day

19 hrs

Sunshine per Day

8 hrs

Average Wind Speed

9 km/h

Average Humidity

70%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.