Weather in December
Sea temperature
In Sestao, Spain, in December, the average water temperature is 14.3°C (57.7°F).Note: To swim in 14.3°C (57.7°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Sestao, sunrise is at 08:24 and sunset at 17:37. On the last day of the month, sunrise is at 08:44 and sunset at 17:46 CET.
Frequently asked questions
How cold is the water in December in Sestao?
In Sestao, Spain, in December, the average water temperature is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°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 Sestao?
December has the shortest days of the year in Sestao, Spain, with an average of 9h and 0min of daylight.
What is the average length of the day in December in Sestao?
In December, the average day length in Sestao is 9h and 2min.
When is the sunrise / sunset in December in Sestao?
On the first day of December in Sestao, Spain, sunrise is at 08:24 and sunset at 17:37. On the last day of the month, sunrise is at 08:44 and sunset at 17:46 CET.
Average sea temperature in December
Sestao, Spain
- Average sea temperature in December: 14.3°C
The best month for swimming (with the highest average sea temperature) is August (21.2°C).
The coldest month (with the lowest average sea temperature) is February (12.7°C).
Average daylight in December
Sestao, Spain
- Average daylight in December: 9h and 0min
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 0min).
Sestao, Spain
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