Weather in January
In Llanes, Spain, in January, the average water temperature is 13.1°C (55.6°F). Note: Beware of 13.1°C (55.6°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. Weather in January »
Weather in February
The months with the coldest seawater in Llanes, Spain, are February and March, with an average sea temperature of 12.8°C (55°F). Note: Dipping into 12.8°C (55°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in February »
Weather in March
February and March, with an average sea temperature of 12.8°C (55°F), are months with the coldest seawater in Llanes, Spain. Note: If planning to swim in 12.8°C (55°F) under 10°C (50°F), wear a protective suit. Weather in March »
Weather in April
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. Weather in April »
Weather in May
In May, the average sea temperature in Llanes, Spain, is 15.8°C (60.4°F). Note: Swimming in 15.8°C (60.4°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F). Weather in May »
Weather in June
In Llanes, Spain, in June, the average water temperature is 18.1°C (64.6°F). Note: Swimming in 18.1°C (64.6°F) is not an enjoyable experience for most. Weather in June »
Weather in July
In Llanes, Spain, the average seawater temperature in July is 19.8°C (67.6°F). Note: Swimming in 19.8°C (67.6°F) does not offer a pleasant experience for most individuals. Weather in July »
Weather in August
With an average sea temperature of 20.9°C (69.6°F), August is the month with the warmest seawater in Llanes, Spain. Note: Swimming is not a pleasant activity for most when the water temperature is 20.9°C (69.6°F). Weather in August »
Weather in September
In Llanes, Spain, in September, the average water temperature is 20.3°C (68.5°F). Note: Most people do not take pleasure in swimming in water at 20.3°C (68.5°F). Weather in September »
Weather in October
In Llanes, Spain, in October, the average water temperature is 18.5°C (65.3°F). Note: Swimming in water at 18.5°C (65.3°F) is not a pleasurable experience for most. Weather in October »
Weather in November
In November, the average sea temperature in Llanes, Spain, is 16.4°C (61.5°F). Note: Swimming is not a pleasant activity for most when the water temperature is 16.4°C (61.5°F). Weather in November »
Weather in December
In Llanes, Spain, in December, the average water temperature is 14.4°C (57.9°F). Note: While a brief time in 14.4°C (57.9°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state. Weather in December »
[Resources]Frequently asked questions
When is the sea coldest in Llanes?
February and March, with an average sea temperature of 12.8°C (55°F), are months with the coldest seawater in Llanes, Spain.
When are the longest days in Llanes?
The month with the longest days is June, with an average of 15h and 24min of daylight.
When is the sea warmest in Llanes?
August is the month with the warmest seawater in Llanes, Spain, with an average sea temperature of 20.9°C (69.6°F).
When is Daylight Saving Time (DST) in Llanes?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Llanes, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Llanes?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average sea temperature
Llanes, Spain
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
Llanes, Spain
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - 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).
Llanes, Spain
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