December
Weather in December
Sea temperature
In Port-Louis, France, in December, the average water temperature is 12.6°C (54.7°F).Note: Diving into 12.6°C (54.7°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:41 and sunset at 17:23. On the last day of December, in Port-Louis, sunrise is at 09:01 and sunset at 17:31 CET.
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
What is the sea water temperature in December in Port-Louis?
In Port-Louis, the average seawater temperature in December is 12.6°C (54.7°F). Swimming in 12.6°C (54.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the month with the shortest days in Port-Louis?
With an average of 8h and 30min of daylight, December has the shortest days of the year in Port-Louis, France.
What is the average length of the day in December in Port-Louis?
The average day length in December in Port-Louis is 8h and 29min.
What time are sunrise and sunset in December in Port-Louis?
On the first day of December in Port-Louis, France, sunrise is at 08:41 and sunset at 17:23. On the last day of the month, sunrise is at 09:01 and sunset at 17:31 CET.
Average sea temperature in December
Port-Louis, France
- Average sea temperature in December: 12.6°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight in December
Port-Louis, France
- 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).
