La Rochelle — Water Temperature in July

Water Temperature Range

16°C

minimum

19°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

37 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

10 hrs

Average Wind Speed

16 km/h

Average Humidity

74%

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.