Saint-Brieuc — Water Temperature in June

Water Temperature Range

13°C

minimum

15°C

average

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

June: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

43 mm

Number of Rainy Days

Daylight per Day

16 hrs

Sunshine per Day

8 hrs

Average Wind Speed

18 km/h

Average Humidity

78%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.