January weather forecast
Porvoo, Finland

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Weather in January

Starting the year with January, Porvoo, Finland experiences quite low sea temperatures with an average measurement of 0.5°C (32.9°F). This month marks the heart of winter, a time when daylight hours are limited and the city takes on its calm, winter persona. The phenomenon of Polar Night often plunges the city into darkness, offering a unique atmosphere. Residents often enjoy winter sports like ice fishing and skiing during this time of the year. The stark beauty of frosted landscapes and the twinkling winter sky form the perfect backdrop for the month's activities.

Sea temperature

In January, the average sea temperature is 0.5°C (32.9°F).
Note: In the context of swimming, this situation is viewed as life-threatening and poses serious risks. The sensation of cold is painfully acute, leading to rapid hyperventilation. Using a specialized swimsuit is imperative to decrease thermal injury.

Daylight

In January, the average length of the day in Porvoo, Finland, is 6h and 46min.
On the first day of January, sunrise is at 09:23 and sunset at 15:18. On the last day of the month, sunrise is at 08:36 and sunset at 16:24 EET.
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Frequently asked questions

What is the water temperature in January in Porvoo?

In Porvoo, in January, the average water temperature is 0.5°C (32.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Porvoo have in January?

The average day length in January is 6h and 46min.

When is the sunrise / sunset in January in Porvoo?

In January, on the first day of the month, sunrise is at 09:23 and sunset at 15:18. On the last day of the month, in Porvoo, Finland, sunrise is at 08:36 and sunset at 16:24 EET.

Average sea temperature in January
Porvoo, Finland

Average sea temperature in January - Porvoo, Finland
  • Average sea temperature in January: 0.5°C

The best months for swimming (with the highest average sea temperature) are July and August (18.7°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.2°C).

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Average daylight in January
Porvoo, Finland

Average daylight in January - Porvoo, Finland
  • Average daylight in January: 6h 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).

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Porvoo, Finland

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