Weather in April
Sea temperature
In Llanes, Spain, the average seawater temperature in April is 13.8°C (56.8°F).Note: Beware of 13.8°C (56.8°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Daylight
In April, the average length of the day is 13h and 26min.On the first day of the month, sunrise is at 07:59 and sunset at 20:45. On the last day of April, sunrise is at 07:12 and sunset at 21:20 CEST.
Frequently asked questions
What is the sea water temperature in April in Llanes?
In April, the average sea temperature in Llanes is 13.8°C (56.8°F). Swimming in 13.8°C (56.8°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 average length of the day in April in Llanes?
In Llanes, the average day length in April is 13h and 26min.
When are sunrise and sunset in April in Llanes?
In April, on the first day of the month, sunrise is at 07:59 and sunset at 20:45. On the last day of the month, in Llanes, Spain, sunrise is at 07:12 and sunset at 21:20 CEST.
Average sea temperature in April
Llanes, Spain
- Average sea temperature in April: 13.8°C
The best month for swimming (with the highest average sea temperature) is August (20.9°C).
The coldest months (with the lowest average sea temperature) are February and March (12.8°C).
Average daylight in April
Llanes, Spain
- Average daylight in April: 13h and 2min
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).
Llanes, Spain
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