December weather forecastRianxo, Spain
December
Weather in December
Sea temperature
In Rianxo, Spain, the average seawater temperature in December is 14.8°C (58.6°F).Note: Dipping into 14.8°C (58.6°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:46 and sunset at 18:02. On the last day of the month, sunrise is at 09:05 and sunset at 18:11 CET.
Updated: Jan 30, 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
In Rianxo, the average seawater temperature in December is 14.8°C (58.6°F). Swimming in 14.8°C (58.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
December has the shortest days of the year in Rianxo, Spain, with an average of 9h and 6min of daylight.
In December, the average day length is 9h and 7min.
In December, on the first day of the month, sunrise is at 08:46 and sunset at 18:02. On the last day of the month, in Rianxo, Spain, sunrise is at 09:05 and sunset at 18:11 CET.
Average sea temperature in December
Rianxo, Spain
- Average sea temperature in December: 14.8°C
The best months for swimming (with the highest average sea temperature) are August and September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in December
Rianxo, Spain
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
