The climate of Finland is marked by cold winters and fairly warm summers.
In the far north of the country the sun does not set for about 73 days, producing the white nights of summer. In winter
the sun remains below the horizon for 51 days in the far north. In summer the temperature quite often rises to +20 Celsius or more and occasionally goes close to +30 in southern and eastern parts of the country.
In winter, temperatures of -20 Celsius are not uncommon in many areas.
Finnish Lapland invariably has the lowest winter temperatures.
The mean temperature in Helsinki in July is +17 Celsius and in February -5.7 Celsius.