When to go · Helsinki
Helsinki in March
Mixed month. Slush and wind; days lengthen fast.
Key facts
- Verdict
- Mixed
- Temperature
- 1°C (34°F)34°F (1°C) / −5°C (23°F)23°F (−5°C)
- average high / low
- Rain days
- 11
- Crowds
- Medium
- Finland overall
- Prices
- High
- Finland overall
Verdict
Slush and wind; days lengthen fast.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than March?
March is rated mixed. These months rate higher:
Weather in March
- HelsinkiHighs around 1 °C (34 °F), lows around -5 °C (23 °F), rain on about 11 daysHighs around 34 °F (1 °C), lows around 23 °F (-5 °C), rain on about 11 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.Around 23 °F (−5 °C) in January, 68–73 °F (20–23 °C) in July; 19 h of daylight at midsummer, 6 h in late December. The sea often freezes near shore in cold winters.
Spring season
Light returns quickly; Vappu in May
Watch: Slush and wind; some terraces still shut.
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 Helsinki, side by side.
Verdict
Mar: Mixed
May: Great (better)
Daytime high
Mar: 1 °C (34 °F)34 °F (1 °C)
May: 14 °C (57 °F)57 °F (14 °C)
Night low
Mar: -5 °C (23 °F)23 °F (-5 °C)
May: 6 °C (43 °F)43 °F (6 °C)
Rain days
Mar: 11
May: 9 (better)
Crowds
Mar: Medium
May: Low
Prices
Mar: High
May: Medium
Festivals listed
Mar: 0
May: 1
March: Slush and wind; days lengthen fast.
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