Weather in December
Sea temperature
In Rymättylä, Finland, in December, the average water temperature is 1.8°C (35.2°F).Note: In the realm of swimming, this state is extremely cold, treacherous, and life-threatening. Without properly insulated waterproof clothing, hypothermia develops almost immediately.
Daylight
The month with the shortest days in Rymättylä is December, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 09:11 and sunset at 15:31. On the last day of December, in Rymättylä, Finland, sunrise is at 09:37 and sunset at 15:32 EET.
Frequently asked questions
How cold is the water in December in Rymättylä?
In December, the average sea temperature in Rymättylä 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 Rymättylä?
The month with the shortest days is December, with an average of 5h and 54min of daylight.
What is the average length of the day in December in Rymättylä?
In Rymättylä, Finland, the average day length in December is 5h and 55min.
When are sunrise and sunset in December in Rymättylä?
In December, on the first day of the month, sunrise is at 09:11 and sunset at 15:31. On the last day of the month, in Rymättylä, sunrise is at 09:37 and sunset at 15:32 EET.
Average sea temperature in December
Rymättylä, 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
Rymättylä, 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).
Rymättylä, Finland
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