May weather forecast
Piriac-sur-Mer, France

May

Weather in May

Sea temperature

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.

Daylight

In May, the average length of the day in Piriac-sur-Mer is 15h and 7min.
On the first day of May, sunrise is at 06:52 and sunset at 21:21. On the last day of the month, sunrise is at 06:17 and sunset at 21:58 CEST.

Frequently asked questions

How cold is the water in May in Piriac-sur-Mer?
In Piriac-sur-Mer, the average seawater temperature in May is 14.4°C (57.9°F). Swimming in 14.4°C (57.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
What is the average length of the day in May in Piriac-sur-Mer?
In Piriac-sur-Mer, France, the average day length in May is 15h and 7min.
What time are sunrise and sunset in May in Piriac-sur-Mer?
In May, on the first day of the month, sunrise is at 06:52 and sunset at 21:21. On the last day of the month, sunrise is at 06:17 and sunset at 21:58 CEST.
Average sea temperature
Average daylight
Average sea temperature in May
Piriac-sur-Mer, France
  • Average sea temperature in May: 14.4°C

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 in May
Piriac-sur-Mer, France
  • Average daylight in May: 15h and 1min

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).

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