Winter snow
Winter snow

(Image: Maritta Jones/ DiscoverHelsinki)

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Climate

By , , updated on

Helsinki has four distinct seasons: spring, summer, autumn and winter.

The high season for tourists spans from May to September, when the days are long and the temperatures generally comfortable.

However, because of its geographic position, Finland has a mixed climate, which means that the weather can vary from torrential rain to long heat waves. Be prepared for anything!

Summer in Helsinki

Summer is warm and light-drenched, which contrasts sharply with the dark, cold winter.

In summer, the average temperature ranges from 15 to 25 °C, even reaching up to 30 °C. The warmest days usually occur at the end of July.

However, rain and northerly winds can cause the temperature to drop suddenly.

Winter in Helsinki

Winters are typically long, with the mean temperature usually below zero, but there are also temperate days.

The proximity of the sea makes Helsinki a humid city, so take this into account and dress accordingly!

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