Weather in January
In Riec-sur-Belon, France, the average seawater temperature in January is 10.6°C (51.1°F). Note: Swimming in 10.6°C (51.1°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in January »
Weather in February
February and March, with an average sea temperature of 10.1°C (50.2°F), are months with the coldest seawater in Riec-sur-Belon, France. Note: Dipping into 10.1°C (50.2°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in February »
Weather in March
February and March, with an average sea temperature of 10.1°C (50.2°F), are months with the coldest seawater in Riec-sur-Belon, France. Note: Dipping in 10.1°C (50.2°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in March »
Weather in April
In Riec-sur-Belon, France, the average seawater temperature in April is 11.8°C (53.2°F). Note: Danger awaits those who swim in 11.8°C (53.2°F) without protection. Weather in April »
Weather in May
In Riec-sur-Belon, France, the average seawater temperature in May is 13.8°C (56.8°F). Note: Swimming in 13.8°C (56.8°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina. Weather in May »
Weather in June
In June, the average sea temperature in Riec-sur-Belon, France, is 15.6°C (60.1°F). Note: The majority of individuals find it unpleasurable to swim in 15.6°C (60.1°F). Weather in June »
Weather in July
In July, the average sea temperature in Riec-sur-Belon, France, is 16.8°C (62.2°F). Note: For most individuals, swimming in 16.8°C (62.2°F) is not enjoyable. Weather in July »
Weather in August
August is the month with the warmest seawater in Riec-sur-Belon, France, with an average sea temperature of 17.4°C (63.3°F). Note: Most individuals do not find swimming at 17.4°C (63.3°F) to be enjoyable. Weather in August »
Weather in September
In Riec-sur-Belon, France, in September, the average water temperature is 17.2°C (63°F). Note: The majority find it unenjoyable to swim in 17.2°C (63°F). Weather in September »
Weather in October
In Riec-sur-Belon, France, the average seawater temperature in October is 16.2°C (61.2°F). Note: Swimming in water at 16.2°C (61.2°F) is not a pleasurable experience for most. Weather in October »
Weather in November
In Riec-sur-Belon, France, the average seawater temperature in November is 14.9°C (58.8°F). Note: Entering waters of 14.9°C (58.8°F) is life-endangering. Weather in November »
Weather in December
In Riec-sur-Belon, France, in December, the average water temperature is 12.6°C (54.7°F). Note: In 12.6°C (54.7°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F). Weather in December »
[Resources]Frequently asked questions
What months are the sea coldest in Riec-sur-Belon?
February and March, with an average sea temperature of 10.1°C (50.2°F), are months with the coldest seawater in Riec-sur-Belon, France.
When are the longest days in Riec-sur-Belon?
The month with the longest days is June, with an average of 16h and 0min of daylight.
What month is the sea warmest in Riec-sur-Belon?
The month with the warmest seawater is August, with an average sea temperature of 17.4°C (63.3°F).
When is Daylight Saving Time (DST) in Riec-sur-Belon?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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 Riec-sur-Belon?
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average sea temperature
Riec-sur-Belon, France
The best month for swimming (with the highest average sea temperature) is August (17.4°C).
The coldest months (with the lowest average sea temperature) are February and March (10.1°C).
Average daylight
Riec-sur-Belon, France
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
Riec-sur-Belon, France
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