Weather in January
In Piriac-sur-Mer, France, in January, the average water temperature is 9.8°C (49.6°F). Note: Taking a dip in 9.8°C (49.6°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation. Weather in January »
Weather in February
The month with the coldest seawater in Piriac-sur-Mer, France, is February, with an average sea temperature of 9.6°C (49.3°F). Note: Dipping in 9.6°C (49.3°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in February »
Weather in March
In Piriac-sur-Mer, France, in March, the average water temperature is 9.9°C (49.8°F). Note: With an efficient thermal swimsuit, one can navigate 9.9°C (49.8°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Weather in March »
Weather in April
In April, the average sea temperature in Piriac-sur-Mer, France, is 12.1°C (53.8°F). Note: Unprotected swimming in 12.1°C (53.8°F) is dangerous due to potential cold shock. Weather in April »
Weather in May
In May, the average sea temperature in Piriac-sur-Mer, France, is 14.4°C (57.9°F). Note: Diving into 14.4°C (57.9°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in May »
Weather in June
In Piriac-sur-Mer, France, in June, the average water temperature is 16.6°C (61.9°F). Note: The majority of people find swimming in 16.6°C (61.9°F) unenjoyable. Weather in June »
Weather in July
In Piriac-sur-Mer, France, in July, the average water temperature is 17.7°C (63.9°F). Note: In 17.7°C (63.9°F), swimming is not an enjoyable activity for most. Weather in July »
Weather in August
August and September, with an average sea temperature of 18.3°C (64.9°F), are months with the warmest seawater in Piriac-sur-Mer, France. Note: Most people do not find swimming enjoyable in water of 18.3°C (64.9°F). Weather in August »
Weather in September
The months with the warmest seawater in Piriac-sur-Mer, France, are August and September, with an average sea temperature of 18.3°C (64.9°F). Note: Swimming is not a pleasurable activity for most people when the water temperature is 18.3°C (64.9°F). Weather in September »
Weather in October
In Piriac-sur-Mer, France, the average seawater temperature in October is 16.8°C (62.2°F). Note: The majority of people find swimming in 16.8°C (62.2°F) unenjoyable. Weather in October »
Weather in November
In Piriac-sur-Mer, France, the average seawater temperature in November is 15.2°C (59.4°F). Note: Swimming in water with a temperature of 15.2°C (59.4°F) is not a pleasurable experience for the majority. Weather in November »
Weather in December
In December, the average sea temperature in Piriac-sur-Mer, France, is 12.5°C (54.5°F). Note: Immersing oneself in 12.5°C (54.5°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in December »
[Resources]Frequently asked questions
What month is the sea coldest in Piriac-sur-Mer?
With an average sea temperature of 9.6°C (49.3°F), February is the month with the coldest seawater in Piriac-sur-Mer.
When are the longest days in Piriac-sur-Mer?
The month with the longest days is June, with an average of 15h and 54min of daylight.
What months are the sea warmest in Piriac-sur-Mer?
August and September, with an average sea temperature of 18.3°C (64.9°F), are months with the warmest seawater.
When is Daylight Saving Time (DST) in Piriac-sur-Mer?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Piriac-sur-Mer, 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 Piriac-sur-Mer?
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average sea temperature
Piriac-sur-Mer, France
The best months for swimming (with the highest average sea temperature) are August and September (18.3°C).
The coldest month (with the lowest average sea temperature) is February (9.6°C).
Average daylight
Piriac-sur-Mer, France
- Average daylight in January:
9h and 0min - 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:
15h and 5min
- Average daylight in July:
15h and 3min - 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: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
Piriac-sur-Mer, France
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