SeasonScore
Helsinki, Finland
Photo: Poco a poco · CC0

Finland

Helsinki in December

❄️ Snowy winter

Cold and some showers.

🎒 Pack: winter coat, gloves & hat

Best months: Jul (9.7), Jun (9.6), Aug (9.5)

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Why December scores 7.7What goes into the score

How it works
🌡️ 1° / -3°C🌧️ 58 mm💧 dew pt -2°🍃 PM2.5 6
  • Weather comfort5.6
    • !Cold (1°C highs / -3°C lows)
    • ✓Comfortable humidity (dew point -2°C)
    • ✓Mostly dry (~58 mm rain)
    • !Grey, overcast skies (~82% cloud cover on average)
  • Air quality9.9
    • ✓Good (within WHO guideline) (PM2.5 ~6 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut December side by side with another month
DecJul
Score7.7 Very good9.7 Excellent
Season❄️ Snowy winter☀️ Summer
High / low1° / -3°22° / 15°
Rain58 mm57 mm
Humiditydew pt -2°dew pt 14°
PM2.56 µg/m³5 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Helsinki weather-station normals. Rainfall: Central Helsinki weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas 24–27 Dec · 4 days off in a row

Other public holidays: Independence Day (6 Dec)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore HelsinkiEvents, sights, food & souvenirs

Check event dates locally

Finland's seaside capital, known for design, saunas, island fortresses, Art Nouveau architecture and long summer daylight.

Events in December
Independence DayEvery year6 December every year

A solemn national holiday with candles in windows and a torchlight student procession.

Why go: Many shops and services close.

Where: Nationwide

Coming up later

Vappu (May Day)Every year30 April to 1 May every year

Students and residents celebrate spring with the capping of the Havis Amanda statue and big picnics.

Why go: Expect large, festive crowds and white student caps everywhere.

Where: Market Square, Kaivopuisto Park and citywide

Midsummer (Juhannus)Date variesMidsummer Eve falls on the Friday between 19 and 25 June

Finns celebrate the light nights with bonfires, often leaving the city for the countryside.

Why go: The city is quiet and many shops close.

Where: Seurasaari and lakeside cottages

Helsinki FestivalDate variesUsually late August to early September

Finland's largest arts festival, with music, theatre, dance and the Night of the Arts.

Why go: Many events are free.

Where: Venues across the city