December weather forecastBoiro, Spain
December
Weather in December
Sea temperature
In December, the average sea temperature in Boiro, Spain, is 14.8°C (58.6°F).Note: Staying in 14.8°C (58.6°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
December has the shortest days of the year in Boiro, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 08:46 and sunset at 18:03. On the last day of December, sunrise is at 09:05 and sunset at 18:12 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 Boiro, 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.
With an average of 9h and 6min of daylight, December has the shortest days of the year in Boiro, Spain.
In Boiro, the average day length in December is 9h and 7min.
In December, on the first day of the month, sunrise is at 08:46 and sunset at 18:03. On the last day of the month, in Boiro, sunrise is at 09:05 and sunset at 18:12 CET.
Average sea temperature in December
Boiro, 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
Boiro, 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).





