Depends on the year and which part of the country you're in. In Helsinki the average temperature in December is -5C (23F) to 0C (32F). In the northern part of Finland the temperature stays between -5 (23F) and -18C (-0.4F)
Of course they do. You should see the Christmas street in Turku, Finland when it's a snowy Christmas.
In Finland, everyone they celebrate the three holy days of Christmas. These are Christmas Eve, Christmas Day, and Boxing Day.
Finland's official Christmas city is Turku (actually also previous capital of Finland). One street in Turku is decorated every Christmas in shiny, colorful decorations, and someone always gives a "Christmas Peace Decree" in there.
joulu
christmas
jabooleee
in Sweden,Norway, and Finland, know as Christmas begins on December 13th
Father Christmas does something with his goat
35,9ºC
In Finland they three traditional times to be on holiday: Summer, Christmas and winter.
24th December
December 24th.