Weather in Finnland in Dezember
Country-wide climate normals across 15 cities in Finnland.
How Hot Is Finnland in Dezember?
Finnland's small footprint means the cold is consistent: December averages -1°C, with Helsinki representative.
Sunshine in Finnland in Dezember
Dark, overcast days dominate Finnland in December — Helsinki sees just 0.7h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Finnland In Dezember?
Finnland sees moderate rainfall in December — Helsinki averages 57mm across 13 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's December weather mixes sunny stretches with regular shower spells.
Is Finnland Humid In Dezember?
Saturated air defines Finnland's December: humidity at 90% in Helsinki, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Finnland In Dezember
Finnland's December has gentle wind — Helsinki averages 19 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Does It Snow In Finnland In Dezember?
Finnland's December brings reliable snow: Helsinki averages 4.4 days of snowfall, and the pattern is similar or heavier across the colder regions. Winter conditions dominate most of the country, with sustained snow cover in northern and mountain areas.
Cloud Cover In Finnland In Dezember
Heavy overcast covers Finnland in December: 81% cloud cover in Helsinki, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.