Weather in January
In Sæby, Denmark, the average seawater temperature in January is 3.6°C (38.5°F). Note: In swimming, this scenario poses immediate life-threatening danger. Weather in January »
Weather in February
In Sæby, Denmark, in February, the average water temperature is 3.3°C (37.9°F). Note: During swimming activities, this is a serious life-threatening hazard. Weather in February »
Weather in March
March is the month with the coldest seawater in Sæby, Denmark, with an average sea temperature of 2.8°C (37°F). Note: In terms of swimming, this condition is dangerously life-threatening. Weather in March »
Weather in April
In April, the average sea temperature in Sæby, Denmark, is 7.1°C (44.8°F). Note: Swimming in 7.1°C (44.8°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in April »
Weather in May
In Sæby, Denmark, the average seawater temperature in May is 11.3°C (52.3°F). Note: You can swim in 11.3°C (52.3°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. Weather in May »
Weather in June
In Sæby, Denmark, the average seawater temperature in June is 15.5°C (59.9°F). Note: Most people do not enjoy swimming in water of 15.5°C (59.9°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F). Weather in June »
Weather in July
In July, the average sea temperature in Sæby, Denmark, is 17.8°C (64°F). Note: Most people find swimming in 17.8°C (64°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F). Weather in July »
Weather in August
August is the month with the warmest seawater in Sæby, Denmark, with an average sea temperature of 18.3°C (64.9°F). Note: In 18.3°C (64.9°F), swimming is not an enjoyable activity for most. Weather in August »
Weather in September
In September, the average sea temperature in Sæby, Denmark, is 16.3°C (61.3°F). Note: For the majority, swimming in 16.3°C (61.3°F) does not offer a pleasant experience. Weather in September »
Weather in October
In Sæby, Denmark, the average seawater temperature in October is 12.3°C (54.1°F). Note: Unprotected swimming in 12.3°C (54.1°F) is dangerous due to potential cold shock. Weather in October »
Weather in November
In Sæby, Denmark, in November, the average water temperature is 9.3°C (48.7°F). Note: Swimming at temperatures less than 10°C (50°F) in 9.3°C (48.7°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. Weather in November »
Weather in December
In Sæby, Denmark, the average seawater temperature in December is 6°C (42.8°F). Note: Swimming in 6°C (42.8°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity. Weather in December »
[Resources]Frequently asked questions
When is the sea coldest in Sæby?
March is the month with the coldest seawater in Sæby, Denmark, with an average sea temperature of 2.8°C (37°F).
When are the longest days in Sæby?
With an average of 17h and 54min of daylight, June has the longest days of the year.
What is the month with the warmest sea water in Sæby?
With an average sea temperature of 18.3°C (64.9°F), August is the month with the warmest seawater.
When is Daylight Saving Time (DST) in Sæby?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Sæby, Denmark, 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 Sæby?
The month with the shortest days is December, with an average of 6h and 48min of daylight.
Average sea temperature
Sæby, Denmark
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight
Sæby, Denmark
- Average daylight in January:
7h and 3min - Average daylight in February:
9h and 3min - 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:
17h and 5min
- Average daylight in July:
17h and 1min - Average daylight in August:
15h and 1min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 2min - Average daylight in November:
8h and 1min - Average daylight in December:
6h and 5min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).
Sæby, Denmark
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