Helsinki climate guide

Temperature in Helsinki (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
Min temperature (night-time)
Sea temperature

Sunshine & Daylight in Helsinki

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight

Rainfall in Helsinki

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
Average monthly rainfall (mm)

More climate for Helsinki

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
Heat & Humidity

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Going to Helsinki? Find the best month to visit Helsinki based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

  • Save EXTRA £100 per booking on Marella Cruises
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More about Helsinki

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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