Climate and monthly weather forecast
Weather in January
In Saint-Jean-de-Luz, France, the average seawater temperature in January is 12.7°C (54.9°F). Note: Staying in 12.7°C (54.9°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance. Weather in January »
Weather in February
The month with the coldest seawater in Saint-Jean-de-Luz, France, is February, with an average sea temperature of 12.4°C (54.3°F). Note: It is advised against swimming in 12.4°C (54.3°F) when it drops below 10°C (50°F). Weather in February »
Weather in March
In March, the average sea temperature in Saint-Jean-de-Luz, France, is 12.5°C (54.5°F). Note: Swimming in 12.5°C (54.5°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience. Weather in March »
Weather in April
In April, the average sea temperature in Saint-Jean-de-Luz, France, is 14.1°C (57.4°F). Note: Beware when you're in 14.1°C (57.4°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in April »
Weather in May
In May, the average sea temperature in Saint-Jean-de-Luz, France, is 16.4°C (61.5°F). Note: Most people find swimming in 16.4°C (61.5°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder. Weather in May »
Weather in June
In Saint-Jean-de-Luz, France, the average seawater temperature in June is 19.3°C (66.7°F). Note: The majority of people find swimming in 19.3°C (66.7°F) unenjoyable. Weather in June »
Weather in July
In Saint-Jean-de-Luz, France, the average seawater temperature in July is 20.7°C (69.3°F). Note: Most people do not enjoy swimming in water that is 20.7°C (69.3°F). Weather in July »
Weather in August
The month with the warmest seawater in Saint-Jean-de-Luz, France, is August, with an average sea temperature of 21.4°C (70.5°F). Note: Swimming is not a pleasurable activity for most people when the water temperature is 21.4°C (70.5°F). Weather in August »
Weather in September
In Saint-Jean-de-Luz, France, the average seawater temperature in September is 20.8°C (69.4°F). Note: The enjoyment of swimming decreases for most when the surface water temperature is 20.8°C (69.4°F). Weather in September »
Weather in October
In Saint-Jean-de-Luz, France, in October, the average water temperature is 18.7°C (65.7°F). Note: In water with a temperature of 18.7°C (65.7°F), most people do not enjoy swimming. Weather in October »
Weather in November
In Saint-Jean-de-Luz, France, in November, the average water temperature is 16.4°C (61.5°F). Note: Most individuals do not find swimming at 16.4°C (61.5°F) to be enjoyable. Weather in November »
Weather in December
In December, the average sea temperature in Saint-Jean-de-Luz, France, is 14.3°C (57.7°F). Note: Navigating the 14.3°C (57.7°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina. Weather in December »
Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
When is the sea coldest in Saint-Jean-de-Luz?
The month with the coldest seawater in Saint-Jean-de-Luz is February, with an average sea temperature of 12.4°C (54.3°F).
When are the longest days in Saint-Jean-de-Luz?
June has the longest days of the year in Saint-Jean-de-Luz, with an average of 15h and 24min of daylight.
What month is the sea warmest in Saint-Jean-de-Luz?
The month with the warmest seawater is August, with an average sea temperature of 21.4°C (70.5°F).
When is Daylight Saving Time (DST) in Saint-Jean-de-Luz?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Saint-Jean-de-Luz, France, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Saint-Jean-de-Luz?
With an average of 9h and 0min of daylight, December has the shortest days of the year in Saint-Jean-de-Luz.
Average sea temperature
Saint-Jean-de-Luz, France
The best month for swimming (with the highest average sea temperature) is August (21.4°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).
Average daylight
Saint-Jean-de-Luz, France
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
