January weather forecast
Oslo, Norway

January in Oslo carries the imprint of a classic Scandinavian winter season, with temperatures regularly plunging below freezing. The city receives merely 1.3 hours of sunshine per day, and the sea temperature drops to 4.2°C. Encased in frost, landmarks like the Royal Palace and Vigeland Sculpture Park offer a striking spectacle. The harsh weather, however, lends itself to indoor activities such as visiting museums or cozying up in local cafés.

Temperature

January is the coldest month, with an average high-temperature of -1.8°C and an average low-temperature of -6.8°C.

Rainfall

In January, in Oslo, Norway, the rain falls for 6 days. Throughout January, 49mm of precipitation is accumulated. In Oslo, during the entire year, the rain falls for 77 days and collects up to 763mm of precipitation.

Sea temperature

In January, the average sea temperature in Oslo, Norway, is 4.2°C.
Note: In the realm of swimming, this is an immediate threat to life. Total loss of control over breathing happens instantly, complicating clear thought processes. The necessity of a specialized swimsuit to restrict thermal loss is paramount.

Daylight

In Oslo, the average length of the day in January is 6h and 53min.
On the first day of January, sunrise is at 09:18 and sunset at 15:22. On the last day of the month, sunrise is at 08:32 and sunset at 16:27 CET.

Sunshine

In January, the average sunshine is 1.3h.

UV index

January, November and December, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 0 in January interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.