Climate and monthly weather forecastPort-Louis, France
Climate and monthly weather forecast
Weather in January
In Port-Louis, France, the average seawater temperature in January is 10.4°C (50.7°F). Note: It is risky to swim in 10.4°C (50.7°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation. Weather in January »Weather in February
With an average sea temperature of 9.9°C (49.8°F), February is the month with the coldest seawater in Port-Louis, France. Note: Swimming in 9.9°C (49.8°F) is considered dangerous. Weather in February »Weather in March
In Port-Louis, France, the average seawater temperature in March is 10.1°C (50.2°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in March »Weather in April
In April, the average sea temperature in Port-Louis, France, is 11.8°C (53.2°F). Note: To swim in 11.8°C (53.2°F) at less than 10°C (50°F), ensure you're well-protected. Weather in April »Weather in May
In May, the average sea temperature in Port-Louis, France, is 14.1°C (57.4°F). Note: Swimming in 14.1°C (57.4°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. Weather in May »Weather in June
In June, the average sea temperature in Port-Louis, France, is 16°C (60.8°F). Note: Swimming is not an enjoyable activity for the majority when the water is at 16°C (60.8°F). Weather in June »Weather in July
In July, the average sea temperature in Port-Louis, France, is 17.3°C (63.1°F). Note: Most people find swimming in 17.3°C (63.1°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 July »Weather in August
The month with the warmest seawater in Port-Louis, France, is August, with an average sea temperature of 17.9°C (64.2°F). Note: Most individuals do not find swimming at 17.9°C (64.2°F) to be enjoyable. Weather in August »Weather in September
In September, the average sea temperature in Port-Louis, France, is 17.8°C (64°F). Note: In water with a temperature of 17.8°C (64°F), most individuals do not find swimming enjoyable. Weather in September »Weather in October
In Port-Louis, France, in October, the average water temperature is 16.4°C (61.5°F). Note: Swimming in 16.4°C (61.5°F) is not an enjoyable experience for most. Weather in October »Weather in November
In Port-Louis, France, the average seawater temperature in November is 15°C (59°F). Note: The majority find it unenjoyable to swim in 15°C (59°F). Weather in November »Weather in December
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. 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
The month with the coldest seawater in Port-Louis, France, is February, with an average sea temperature of 9.9°C (49.8°F).
The month with the longest days is June, with an average of 15h and 54min of daylight.
August is the month with the warmest seawater in Port-Louis, France, with an average sea temperature of 17.9°C (64.2°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Port-Louis, 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.
With an average of 8h and 30min of daylight, December has the shortest days of the year.
Average sea temperature
Port-Louis, France
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
Port-Louis, France
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
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).
