Monthly weather forecast and climate
Fontvieille, Monaco

In Fontvieille, Monaco, in January, the average water temperature is 13.5°C (56.3°F). Note: Swimming in 13.5°C (56.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in January »

With an average sea temperature of 13.1°C (55.6°F), February is the month with the coldest seawater in Fontvieille, Monaco. 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 February »

In Fontvieille, Monaco, in March, the average water temperature is 13.4°C (56.1°F). Note: Swimming in 13.4°C (56.1°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 March »

In April, the average sea temperature in Fontvieille, Monaco, is 14.7°C (58.5°F). Note: Swimming in 14.7°C (58.5°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 April »

In May, the average sea temperature in Fontvieille, Monaco, is 18°C (64.4°F). Note: For most, swimming in 18°C (64.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in May »

In June, the average sea temperature in Fontvieille, Monaco, is 21.8°C (71.2°F). Note: Swimming in 21.8°C (71.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in June »

In July, the average sea temperature in Fontvieille, Monaco, is 23.2°C (73.8°F). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.2°C (73.8°F) water. Weather in July »

With an average sea temperature of 23.7°C (74.7°F), August is the month with the warmest seawater in Fontvieille, Monaco. Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°F) water may be enjoyable. Weather in August »

In September, the average sea temperature in Fontvieille, Monaco, is 22.3°C (72.1°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in September »

In Fontvieille, Monaco, in October, the average water temperature is 19.7°C (67.5°F). Note: For most, swimming in 19.7°C (67.5°F) is not an enjoyable activity. Weather in October »

In Fontvieille, Monaco, in November, the average water temperature is 17.4°C (63.3°F). Note: Swimming in 17.4°C (63.3°F) is not enjoyable for the majority. Weather in November »

In Fontvieille, Monaco, in December, the average water temperature is 14.9°C (58.8°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 December »

What is the month with the coldest sea water in Fontvieille?

With an average sea temperature of 13.1°C (55.6°F), February is the month with the coldest seawater in Fontvieille, Monaco.

When are the longest days in Fontvieille?

The month with the longest days in Fontvieille, Monaco, is June, with an average of 15.4h of daylight.

When is the sea warmest in Fontvieille?

With an average sea temperature of 23.7°C (74.7°F), August is the month with the warmest seawater.

What is the month with the shortest days in Fontvieille?

The month with the shortest days in Fontvieille is December, with an average of 9h of daylight.
Average sea temperature - Fontvieille, Monaco

The best month for swimming (with the highest average sea temperature) is August (23.7°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

Average daylight - Fontvieille, Monaco

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).