Helsinki Weather in January

Thinking of visiting Helsinki in January? Expect very low temperatures reaching -1°C (30°F) during the day, dropping to -7°C (19°F) at night, with some snowfall likely.

Rainfall in Helsinki in January

Typically around 20 days of snowfall are expected, averaging 57 mm (2.2 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Helsinki in January

Daytime temperatures in Helsinki reach -1°C (30°F) in January, dropping to -7°C (19°F) at night. Experience the winter season in January. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -7°C (19°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month is particularly chilly, so wearing layers is necessary to stay warm and comfortable.

Sunshine in Helsinki in January

The area experiences limited sunny days, amounting to roughly 39 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Wind Speed in Helsinki in January

Wind speeds average 4 m/s (8 knots) during January. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in January

The water sits at 0°C (32°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

January in Helsinki can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.