Weather in December
Sea temperature
In December, the average sea temperature in Uusikaupunki, Finland, is 1.9°C (35.4°F).Note: In the realm of swimming, this is life-threatening and fraught with danger. The cold water triggers intense discomfort and leads to swift hyperventilation. Donning a specialized swimsuit is essential to curb thermal harm.
Daylight
December has the shortest days of the year, with an average of 5h and 48min of daylight.On the first day of the month, sunrise is at 09:16 and sunset at 15:30. On the last day of December, sunrise is at 09:44 and sunset at 15:30 EET.
Frequently asked questions
How cold is the water in December in Uusikaupunki?
In December, the average sea temperature in Uusikaupunki is 1.9°C (35.4°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
What is the month with the shortest days in Uusikaupunki?
December has the shortest days of the year in Uusikaupunki, Finland, with an average of 5h and 48min of daylight.
What is the average length of the day in December in Uusikaupunki?
In Uusikaupunki, the average day length in December is 5h and 47min.
When are sunrise and sunset in December in Uusikaupunki?
In December, on the first day of the month, sunrise is at 09:16 and sunset at 15:30. On the last day of the month, sunrise is at 09:44 and sunset at 15:30 EET.
Average sea temperature in December
Uusikaupunki, Finland
- Average sea temperature in December: 1.9°C
The best month for swimming (with the highest average sea temperature) is August (13.1°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.3°C).
Average daylight in December
Uusikaupunki, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
Uusikaupunki, Finland
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