Weather in December
Sea temperature
In Rissa, Norway, in December, the average water temperature is 7.8°C (46°F).Note: Swimming in 7.8°C (46°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
With an average of 4h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 09:32 and sunset at 14:46. On the last day of December, in Rissa, Norway, sunrise is at 10:03 and sunset at 14:43 CET.
Frequently asked questions
How cold is the water in December in Rissa?
In Rissa, the average seawater temperature in December is 7.8°C (46°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
What is the month with the shortest days in Rissa?
December has the shortest days of the year, with an average of 4h and 42min of daylight.
How many hours of daylight does Rissa have in December?
The average day length in December in Rissa, Norway, is 4h and 40min.
When are sunrise and sunset in December in Rissa?
On the first day of December in Rissa, Norway, sunrise is at 09:32 and sunset at 14:46. On the last day of the month, sunrise is at 10:03 and sunset at 14:43 CET.
Average sea temperature in December
Rissa, Norway
- Average sea temperature in December: 7.8°C
The best month for swimming (with the highest average sea temperature) is August (14.2°C).
The coldest month (with the lowest average sea temperature) is March (5.4°C).
Average daylight in December
Rissa, Norway
- Average daylight in December: 4h and 4min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 42min).
Rissa, Norway
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