December
Weather in December
Sea temperature
In Viveiro, Spain, the average seawater temperature in December is 14.3°C (57.7°F).Note: Swimming at temperatures less than 10°C (50°F) in 14.3°C (57.7°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Viveiro.On the first day of the month, sunrise is at 08:44 and sunset at 17:54. On the last day of December, sunrise is at 09:03 and sunset at 18:03 CET.
Updated: Aug 8, 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 water temperature in December?
In December, the average sea temperature is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°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 month with the shortest days?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
What is the average length of the day in December?
In December, the average day length is 9h and 0min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 08:44 and sunset at 17:54. On the last day of the month, sunrise is at 09:03 and sunset at 18:03 CET.
Average sea temperature in December
Viveiro, Spain
- Average sea temperature in December: 14.3°C
The best month for swimming (with the highest average sea temperature) is August (19.4°C).
The coldest month (with the lowest average sea temperature) is March (12.8°C).
Average daylight in December
Viveiro, Spain
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
