Weather in January
In January, the average sea temperature in Sestao, Spain, is 13°C (55.4°F). Note: Beware when you're in 13°C (55.4°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in January »
Weather in February
With an average sea temperature of 12.7°C (54.9°F), February is the month with the coldest seawater in Sestao, Spain. Note: If planning to swim in 12.7°C (54.9°F) under 10°C (50°F), wear a protective suit. Weather in February »
Weather in March
In Sestao, Spain, the average seawater temperature in March is 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 March »
Weather in April
In Sestao, Spain, the average seawater temperature in April is 13.9°C (57°F). Note: Immersing oneself in 13.9°C (57°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in April »
Weather in May
In May, the average sea temperature in Sestao, Spain, is 16.1°C (61°F). Note: The majority of individuals do not enjoy swimming in water that is 16.1°C (61°F). Weather in May »
Weather in June
In June, the average sea temperature in Sestao, Spain, is 18.7°C (65.7°F). Note: A majority do not enjoy swimming in water at 18.7°C (65.7°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F). Weather in June »
Weather in July
In July, the average sea temperature in Sestao, Spain, is 20.3°C (68.5°F). Note: The majority of people do not enjoy swimming in 20.3°C (68.5°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F). Weather in July »
Weather in August
August is the month with the warmest seawater in Sestao, Spain, with an average sea temperature of 21.2°C (70.2°F). Note: The majority of individuals find swimming in 21.2°C (70.2°F) to be unenjoyable. Weather in August »
Weather in September
In September, the average sea temperature in Sestao, Spain, is 20.6°C (69.1°F). Note: Swimming in water at 20.6°C (69.1°F) is not a pleasing experience for the majority. Weather in September »
Weather in October
In Sestao, Spain, in October, the average water temperature is 18.8°C (65.8°F). Note: Most people do not enjoy swimming in water that is 18.8°C (65.8°F). Weather in October »
Weather in November
In Sestao, Spain, in November, the average water temperature is 16.6°C (61.9°F). Note: The majority find it unenjoyable to swim in 16.6°C (61.9°F). Weather in November »
Weather in December
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. Weather in December »
[Resources]Frequently asked questions
What is the month with the coldest sea water in Sestao?
February is the month with the coldest seawater in Sestao, Spain, with an average sea temperature of 12.7°C (54.9°F).
When are the longest days in Sestao?
With an average of 15h and 18min of daylight, June has the longest days of the year.
When is the sea warmest in Sestao?
August is the month with the warmest seawater, with an average sea temperature of 21.2°C (70.2°F).
When is Daylight Saving Time (DST) in Sestao?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Sestao, 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 Sestao?
December has the shortest days of the year in Sestao, with an average of 9h and 0min of daylight.
Average sea temperature
Sestao, Spain
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
Sestao, 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 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
Sestao, Spain
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