Weather in December
December in Kópavogur marks the onset of deep winter, with a sea temperature of 6.7°C (44.1°F). The daylight hours shrink to almost half of what was observed during the summer months, painting a picture of stark winter landscapes. Despite the frigid sea and shortened days, city dwellers eagerly anticipate the gradual upturn of daylight hours as they step into the new year.
Note: In 6.7°C (44.1°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
On the first day of the month, sunrise is at 10:46 and sunset at 15:47. On the last day of December, sunrise is at 11:18 and sunset at 15:42 GMT.
[Resources]Sea temperature
In Kópavogur, the average seawater temperature in December is 6.7°C (44.1°F).Note: In 6.7°C (44.1°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
December has the shortest days of the year, with an average of 4h and 24min of daylight.On the first day of the month, sunrise is at 10:46 and sunset at 15:47. On the last day of December, sunrise is at 11:18 and sunset at 15:42 GMT.
Frequently asked questions
What is the sea water temperature in December in Kópavogur?
In December, the average sea temperature in Kópavogur is 6.7°C (44.1°F). Swimming in 6.7°C (44.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the month with the shortest days in Kópavogur?
With an average of 4h and 24min of daylight, December has the shortest days of the year in Kópavogur.
What is the average length of the day in December in Kópavogur?
In December, the average day length in Kópavogur is 4h and 24min.
When is the sunrise / sunset in December in Kópavogur?
In December, on the first day of the month, sunrise is at 10:46 and sunset at 15:47. On the last day of the month, in Kópavogur, sunrise is at 11:18 and sunset at 15:42 GMT.
Average sea temperature in December
Kópavogur, Iceland
- Average sea temperature in December: 6.7°C
The best month for swimming (with the highest average sea temperature) is July (11.4°C).
The coldest month (with the lowest average sea temperature) is March (5.1°C).
Average daylight in December
Kópavogur, Iceland
- Average daylight in December: 4h and 2min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
Kópavogur, Iceland
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