Riva Ligure
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Riva Ligure, Italy

Sea temperature

In Riva Ligure, Italy, the average seawater temperature in December 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. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.


The month with the shortest days in Riva Ligure is December, with an average of 9h of daylight.

What is the sea water temperature in December in Riva Ligure?

In December, the average sea temperature is 14.9°C (58.8°F). Swimming in 14.9°C (58.8°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 Riva Ligure?

With an average of 9h of daylight, December has the shortest days of the year.

How many hours of daylight does Riva Ligure have in December?

In December, the average length of the day is 9h.
Average sea temperature in December - Riva Ligure, Italy
  • Average sea temperature in December: 14.9°C

The best month for swimming (with the highest average sea temperature) is August (23.8°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

Average daylight in December - Riva Ligure, Italy
  • Average daylight in December: 9h

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