When to go · Posio
Posio in December
Good month. Outside the best window (Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours). Across Finland: Rovaniemi's Christmas peak, polar night in the north; Helsinki Christmas market; closures 24–26 Dec.
Key facts
- Verdict
- Good
- Temperature
- −6°C21°F / −14°C7°F
- average high / low
- Rain days
- 11
- Crowds
- High
- Finland overall
- Prices
- High
- Finland overall
Verdict
Outside the best window (Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours). Across Finland: Rovaniemi's Christmas peak, polar night in the north; Helsinki Christmas market; closures 24–26 Dec.
Weather in December
- PosioHighs around -6 °C, lows around -14 °C, rain on about 11 daysHighs around 21 °F, lows around 7 °F, rain on about 11 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas big impact
24–26 Dec · Finland
Christmas Eve is the main day; most things closed; Lapland at peak.
Crowds and prices
- Crowds · Finland overall
- High
- Prices · Finland overall
- High
Finland overall: Rovaniemi's Christmas peak, polar night in the north; Helsinki Christmas market; closures 24–26 Dec.
High-price month: see what to book ahead.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast