January weather forecast
Turku, Finland

The year starts off cold in Turku, Finland, with January's temperatures lower than in December. Icy conditions persist throughout the month, notably marked by a high of -1.7°C (28.9°F) and a low of -7.3°C (18.9°F). In addition to the chill, cloud cover is predominant, reducing the sunlight hours and making it a more gray and dreary period. Rainfall also contributes to the chilly ambiance, typically transforming into snow due to freezing temperatures. When venturing outdoors, residents are likely to encounter frost and possible ice, so precautions are advisable.

Temperature

January brings a marginal elevation to a still subzero cold -1.7°C (28.9°F) from December's -0.1°C (31.8°F) in Turku's average high-temperatures. During the month of January, Turku anticipates a mean low-temperature of -7.3°C (18.9°F).

Rainfall

In Turku, in January, it is raining for 11 days, with typically 61mm (2.4") of accumulated precipitation. Throughout the year, there are 116 rainfall days, and 723mm (28.46") of precipitation is accumulated.

Sea temperature

In January, the average sea temperature is 0.7°C (33.3°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 average length of the day in January is 6h and 45min.
On the first day of January in Turku, sunrise is at 09:37 and sunset at 15:31. On the last day of the month, sunrise is at 08:50 and sunset at 16:38 EET.

Sunshine

The average sunshine in January in Turku is 1.3h.

UV index

January, February, November and December, with an average maximum UV index of 0, are months with the lowest UV index in Turku. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 0 in January interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.