Weather in January
In January, the average sea temperature in Marstrand, Sweden, is 3.3°C (37.9°F). Note: In the realm of swimming, this is life-threatening and fraught with danger. Weather in January »
Weather in February
In Marstrand, Sweden, the average seawater temperature in February is 3°C (37.4°F). Note: When swimming, this is deemed life-endangering and extremely risky. Weather in February »
Weather in March
The month with the coldest seawater in Marstrand, Sweden, is March, with an average sea temperature of 2.6°C (36.7°F). Note: During the act of swimming, this is a direct threat to life. Weather in March »
Weather in April
In Marstrand, Sweden, the average seawater temperature in April is 6.7°C (44.1°F). Note: Swimming at temperatures less than 10°C (50°F) in 6.7°C (44.1°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. Weather in April »
Weather in May
In Marstrand, Sweden, the average seawater temperature in May is 11.2°C (52.2°F). Note: To swim in 11.2°C (52.2°F) at less than 10°C (50°F), ensure you're well-protected. Weather in May »
Weather in June
In June, the average sea temperature in Marstrand, Sweden, is 15.4°C (59.7°F). Note: Swimming in water at 15.4°C (59.7°F) is not a pleasurable experience for most. Weather in June »
Weather in July
In Marstrand, Sweden, in July, the average water temperature is 17.9°C (64.2°F). Note: For the majority, swimming in water with a temperature of 17.9°C (64.2°F) is not enjoyable. Weather in July »
Weather in August
The month with the warmest seawater in Marstrand, Sweden, is August, with an average sea temperature of 18.5°C (65.3°F). Note: In water with a temperature of 18.5°C (65.3°F), most individuals do not find swimming enjoyable. Weather in August »
Weather in September
In September, the average sea temperature in Marstrand, Sweden, is 16.1°C (61°F). Note: For the majority, swimming in 16.1°C (61°F) does not offer a pleasant experience. Weather in September »
Weather in October
In Marstrand, Sweden, the average seawater temperature in October is 12.2°C (54°F). Note: Dipping into 12.2°C (54°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in October »
Weather in November
In Marstrand, Sweden, in November, the average water temperature is 9.1°C (48.4°F). Note: Navigating the 9.1°C (48.4°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina. Weather in November »
Weather in December
In Marstrand, Sweden, the average seawater temperature in December is 5.8°C (42.4°F). Note: In 5.8°C (42.4°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F). Weather in December »
[Resources]Frequently asked questions
What month is the sea coldest in Marstrand?
March is the month with the coldest seawater in Marstrand, with an average sea temperature of 2.6°C (36.7°F).
When are the longest days in Marstrand?
June has the longest days of the year, with an average of 18h and 0min of daylight.
What month is the sea warmest in Marstrand?
With an average sea temperature of 18.5°C (65.3°F), August is the month with the warmest seawater.
When is Daylight Saving Time (DST) in Marstrand?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Marstrand, Sweden, 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 Marstrand?
With an average of 6h and 36min of daylight, December has the shortest days of the year.
Average sea temperature
Marstrand, Sweden
The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (2.6°C).
Average daylight
Marstrand, Sweden
- Average daylight in January:
7h and 2min - Average daylight in February:
9h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 2min - Average daylight in May:
16h and 4min - Average daylight in June:
18h and 0min
- Average daylight in July:
17h and 2min - Average daylight in August:
15h and 2min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 2min - Average daylight in November:
8h and 0min - Average daylight in December:
6h and 4min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
Marstrand, Sweden
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