Helsinki Weather in January
In January, Helsinki averages a high of -2°C (29°F) and a low of -7°C (20°F), based on 56 years of historical weather data from HELSINKI RAUTATIENTORI.
-2°C
Average high
29°F
-7°C
Average low
20°F
8°C
Record high
47°F · 1973
-34°C
Record low
-30°F · 1987
What to Expect in Helsinki in January
Typical January days in Helsinki reach -2°C (29°F) during the afternoon and cool to around -7°C (20°F) overnight. On average, measurable rain falls on about 63% of days this month. Over the past 56 years, January temperatures in Helsinki have ranged from a record high of 8°C (1973) down to a record low of -34°C (1987).
For a day-by-day look or other months, see the full Helsinki weather history.