Skip to content
Voykit

When to go · Mariehamn

Mariehamn in May

Good month. Outside the best window (Jun–Aug). Across Finland: Vappu, fast-returning light and blossom; Lapland in its muddy thaw.

Key facts

Verdict
Good
Temperature
13°C (55°F) / 4°C (39°F)
average high / low
Rain days
7
Crowds
Low
Finland overall
Prices
Medium
Finland overall

Verdict

GoodFinland month rating

Outside the best window (Jun–Aug). Across Finland: Vappu, fast-returning light and blossom; Lapland in its muddy thaw.

Is another month better than May?

May is rated good. These months rate higher:

Weather in May

Long-term averages
  • MariehamnHighs around 13 °C (55 °F), lows around 4 °C (39 °F), rain on about 7 days

Crowds and prices

Crowds · Finland overall
Low
Prices · Finland overall
Medium

Finland overall: Vappu, fast-returning light and blossom; Lapland in its muddy thaw.

Compare two months

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

  • Verdict

    May: Good

    Jun: Great (better)

  • Daytime high

    May: 13 °C (55 °F)

    Jun: 18 °C (64 °F)

  • Night low

    May: 4 °C (39 °F)

    Jun: 9 °C (48 °F)

  • Rain days

    May: 7

    Jun: 7

  • Crowds

    May: Low

    Jun: Medium

  • Prices

    May: Medium

    Jun: Medium

  • Festivals listed

    May: 0

    Jun: 1

May: Outside the best window (Jun–Aug). Across Finland: Vappu, fast-returning light and blossom; Lapland in its muddy thaw.

June: Inside Mariehamn's best window: Jun–Aug.

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

What to pack

  • A warm coat, hat and gloves for mornings and evenings

Build the full packing list for your trip →

Across Finland in May →