Helsinki weather in December
“A quiet, cold month. Beautiful for those who prefer it that way.”
Roughly 14 rainy days across the month, on average.
In december, Helsinki settles into its cold, contemplative stillness. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 1°C (34°F), cooling to -2°C after sunset. Rainfall is moderate — around 14 rainy days spread through the month. Daylight is short — the mornings arrive slowly and the evenings settle in early.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Helsinki in December
- •A properly warm coat — not a fashion piece
- •A compact travel umbrella — one you'll actually carry
- •A merino base layer for the cold evenings
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Helsinki in December
- →Merino wool base layerAmazon · shop this
- →Insulated puffer jacketAmazon · shop this
- →Thermal glovesAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
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Where to stay in Helsinki
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Compare hotels on Booking.com→Other places with a similar climate right now
Helsinki in December — FAQ
Q01Is December a good month for Helsinki?
Is December a good month for Helsinki?
It is a challenging month — you may want to consider another time of year. In December, Helsinki averages a high of 1°C (34°F) and a low of -2°C (28°F), with 67mm of rainfall across roughly 14 rainy days.
Q02How warm does Helsinki get in December?
How warm does Helsinki get in December?
The average high temperature in Helsinki during December is 1°C (34°F), with an average low of -2°C (28°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03Does it rain a lot in Helsinki in December?
Does it rain a lot in Helsinki in December?
Helsinki averages approximately 14 rainy days in December, with a total monthly rainfall of about 67mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What clothes should I bring to Helsinki in December?
What clothes should I bring to Helsinki in December?
For Helsinki in December, pack a warm winter coat, a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05Are there many tourists in Helsinki in December?
Are there many tourists in Helsinki in December?
Tourist crowds in Helsinki during December are typically low — winter is off-season, meaning quiet streets and better hotel deals. Consider this when planning accommodation — prices track crowd levels closely.