January weather forecast
Naantali, Finland

January

Weather in January

The start of the year in Naantali, Finland is marked by chilly weather conditions. Sea temperature sits at a somewhat frigid 0.7°C (33.3°F), contributing to the area's characteristically cool environment. Visitors during this time will note that this period exhibits fewer daylight hours compared to the coming months. The cold weather carries on from December but shows a potential hint of relief as the year progresses. It's the time when the city wears its winter blanket with the surroundings covered in a thick layer of snow.

Sea temperature

In Naantali, Finland, the average seawater temperature in January is 0.7°C (33.3°F).
Note: While swimming, this is deemed life-threatening and exceptionally hazardous. The icy water induces intense pain and causes swift hyperventilation. Employing a specialized swimsuit is required to offset thermal harm.

Daylight

In Naantali, the average length of the day in January is 6h and 45min.
On the first day of the month, sunrise is at 09:38 and sunset at 15:31. On the last day of January, sunrise is at 08:51 and sunset at 16:38 EET.

Frequently asked questions

What is the sea temperature in January in Naantali?
In Naantali, the average seawater temperature in January is 0.7°C (33.3°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.
How many hours of daylight does Naantali have in January?
In January, the average day length in Naantali, Finland, is 6h and 45min.
When are sunrise and sunset in January in Naantali?
In January, on the first day of the month, sunrise is at 09:38 and sunset at 15:31. On the last day of the month, in Naantali, Finland, sunrise is at 08:51 and sunset at 16:38 EET.
Average sea temperature
Average daylight
Average sea temperature in January - Naantali, Finland
Average sea temperature in January
Naantali, Finland
  • Average sea temperature in January: 0.7°C

The best month for swimming (with the highest average sea temperature) is August (12.8°C).
The coldest month (with the lowest average sea temperature) is February (-0.4°C).

Average daylight in January - Naantali, Finland
Average daylight in January
Naantali, Finland
  • Average daylight in January: 6h and 4min

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).

englishespañol中文
Share