Weather in December
In Keflavík International Airport
, the average seawater temperature in December
is 6.6°C (43.9°F).Note
: Swimming in 6.6°C (43.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
The month with the shortest days in Keflavík International Airport is December, with an average of 4h and 28min of daylight.
On the first day of December in Keflavík International Airport, sunrise is at 10:45 and sunset at 15:53. On the last day of the month, sunrise is at 11:20 and sunset at 15:46 GMT.