Piriac-sur-Mer — Water Temperature in July

Water Temperature Range

15°C

minimum

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

42 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

8 hrs

Average Wind Speed

16 km/h

Average Humidity

77%

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.