When to go · Mariehamn
Mariehamn in March
Avoid month. Listed as a month to avoid: Nov–Mar (many sights and ferries closed, dark and cold).
Key facts
- Verdict
- Avoid
- Temperature
- 3°C (37°F)37°F (3°C) / −4°C (25°F)25°F (−4°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- Finland overall
- Prices
- High
- Finland overall
Verdict
Listed as a month to avoid: Nov–Mar (many sights and ferries closed, dark and cold).
Is another month better than March?
March is rated avoid. These months rate higher:
Weather in March
- MariehamnHighs around 3 °C (37 °F), lows around -4 °C (25 °F), rain on about 8 daysHighs around 37 °F (3 °C), lows around 25 °F (-4 °C), rain on about 8 days
Crowds and prices
- Crowds · Finland overall
- Medium
- Prices · Finland overall
- High
Finland overall: Bright snow, auroras until late March, ski touring; Easter falls in late March 2027.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Mariehamn, side by side.
Verdict
Mar: Avoid
Jun: Great (better)
Daytime high
Mar: 3 °C (37 °F)37 °F (3 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Night low
Mar: -4 °C (25 °F)25 °F (-4 °C)
Jun: 9 °C (48 °F)48 °F (9 °C)
Rain days
Mar: 8
Jun: 7 (better)
Crowds
Mar: Medium
Jun: Medium
Prices
Mar: High
Jun: Medium
Festivals listed
Mar: 0
Jun: 1
March: Listed as a month to avoid: Nov–Mar (many sights and ferries closed, dark and cold).
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