Fos-sur-Mer — Water Temperature in July

Water Temperature Range

17°C

minimum

22°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

22°C

Average Day Air Temperature

28°C

Precipitation Amount per Month

17 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

11 hrs

Average Wind Speed

20 km/h

Average Humidity

59%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.