Weather in December
December announces the arrival of winter in Merimasku, Finland. The seawater temperature dips down to 1.8°C (35.2°F), returning to near-January levels and confirming the prevalence of cold conditions. Daylight hours shrink considerably from November, being briefest in the year, defining the typical Nordic winter. This chill transition from November intensifies towards the end of December as the town blanketed in snow commences the festive season. Despite the cold, residents embrace December for its atmospheric charm, festive joy, and the enchanting aurora borealis sighting opportunities.
Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.
On the first day of the month, sunrise is at 09:12 and sunset at 15:31. On the last day of December, in Merimasku, Finland, sunrise is at 09:39 and sunset at 15:32 EET.
[Resources]Sea temperature
In Merimasku, the average seawater temperature in December is 1.8°C (35.2°F).Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.
Daylight
The month with the shortest days is December, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 09:12 and sunset at 15:31. On the last day of December, in Merimasku, Finland, sunrise is at 09:39 and sunset at 15:32 EET.
Frequently asked questions
What is the sea temperature in December in Merimasku?
In Merimasku, the average seawater temperature in December is 1.8°C (35.2°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
What is the month with the shortest days in Merimasku?
With an average of 5h and 54min of daylight, December has the shortest days of the year in Merimasku, Finland.
How many hours of daylight does Merimasku have in December?
The average day length in December is 5h and 53min.
When are sunrise and sunset in December in Merimasku?
On the first day of December in Merimasku, Finland, sunrise is at 09:12 and sunset at 15:31. On the last day of the month, sunrise is at 09:39 and sunset at 15:32 EET.
Average sea temperature in December
Merimasku, Finland
- Average sea temperature in December: 1.8°C
The best month for swimming (with the highest average sea temperature) is August (12.4°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.2°C).
Average daylight in December
Merimasku, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
Merimasku, Finland
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