La Teste-de-Buch — Water Temperature in May

Water Temperature Range

13°C

minimum

15°C

average

20°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
MAY 1	-10°C	17°C	16°C	15°C
MAY 2	17°C	14°C	15°C	15°C
MAY 3	17°C	14°C	16°C	14°C
MAY 4	17°C	14°C	15°C	15°C
MAY 5	18°C	14°C	16°C	15°C
MAY 6	17°C	14°C	17°C	14°C
MAY 7	17°C	14°C	17°C	14°C
MAY 8	17°C	15°C	16°C	14°C
MAY 9	17°C	15°C	16°C	14°C
MAY 10	17°C	14°C	15°C	14°C
MAY 11	18°C	14°C	15°C	14°C
MAY 12	17°C	15°C	15°C	15°C
MAY 13	18°C	15°C	15°C	14°C
MAY 14	18°C	15°C	15°C	15°C
MAY 15	18°C	15°C	16°C	15°C
MAY 16	17°C	15°C	16°C	14°C
MAY 17	18°C	16°C	16°C	15°C
MAY 18	17°C	16°C	16°C	15°C
MAY 19	17°C	16°C	17°C	15°C
MAY 20	17°C	16°C	17°C	15°C
MAY 21	17°C	16°C	17°C	15°C
MAY 22	18°C	16°C	17°C	16°C
MAY 23	18°C	16°C	18°C	15°C
MAY 24	18°C	16°C	17°C	15°C
MAY 25	19°C	16°C	17°C	15°C
MAY 26	19°C	17°C	17°C	15°C
MAY 27	20°C	16°C	17°C	16°C
MAY 28	21°C	17°C	17°C	16°C
MAY 29	21°C	17°C	18°C	16°C
MAY 30	21°C	17°C	18°C	16°C
MAY 31	22°C	17°C	18°C	17°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

63 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

6 hrs

Average Wind Speed

14 km/h

Average Humidity

76%

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.