Temperature in winters is greatly affected due to the mitigating influence of the Baltic Sea and Gulf Stream. In winters, especially in the months of January and February the temperature remains around -5 °C. It drops to -20 °C once in a year for almost a week. The days in winters are very short lasting less than six hours. However the days lasts for more than nineteen hours in summers.
The average maximum temperature in summers in the months of June and August varies in between 19 to 21 °C. Summers in Helsinki are warm and bright especially in the month of July. Springs arrive in the month of April.
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