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When to go · Helsinki

Helsinki in October

Mixed month. Wet and dark early.

Key facts

Verdict
Mixed
Temperature
9°C (48°F) / 4°C (39°F)
average high / low
Rain days
15
Crowds
Low
Finland overall
Prices
Low
Finland overall

Verdict

MixedVoykit month rating for Helsinki

Wet and dark early.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than October?

October is rated mixed. These months rate higher:

Weather in October

Long-term averages
  • HelsinkiHighs around 9 °C (48 °F), lows around 4 °C (39 °F), rain on about 15 days
  • South coast, Finland · Helsinki, Turku, Porvoo, Ålandcool

    Around −5 °C (23 °F) in January, 20–23 °C (68–73 °F) in July; 19 h of daylight at midsummer, 6 h in late December. The sea often freezes near shore in cold winters.

Autumn season

Colours in September; Baltic Herring Fair in October

Watch: Dark and wet from late October.

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.

  • Baltic Herring Fair

    First full week of October · Market Square

    Fishing boats sell herring and traditional food

Crowds and prices

Crowds · Finland overall
Low
Prices · Finland overall
Low

Finland overall: Grey and wet; museums and saunas; auroras in the north on clear nights.

Compare two months

Weather, crowds and prices for any two months in Helsinki, side by side.

  • Verdict

    Oct: Mixed

    May: Great (better)

  • Daytime high

    Oct: 9 °C (48 °F)

    May: 14 °C (57 °F)

  • Night low

    Oct: 4 °C (39 °F)

    May: 6 °C (43 °F)

  • Rain days

    Oct: 15

    May: 9 (better)

  • Crowds

    Oct: Low

    May: Low

  • Prices

    Oct: Low

    May: Medium

  • Festivals listed

    Oct: 1

    May: 1

October: Wet and dark early.

May: Bright and fresh; ferries and terraces start.

Helsinki: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • A rain jacket or umbrella and shoes that dry fast
  • Layers: a fleece or light jacket

Build the full packing list for your trip →

Across Finland in October →