Firefighters dealt with about 20 blazes on Sunday alone, as dry conditions and strong winds heighten risks of forest and brush fires getting out of control.

The blaze destroyed large swathes of forest this week.

Flocks of whooper swans have been grazing in a field in southwestern Finland, although these swans don't typically return to Finland until March or April, according to Finland’s environment administration.

October temperature records were broken on Sunday afternoon, with the mercury surpassing 20°C in many places, according to the Finnish Meteorological Institute.

Unusually mild weather and foggy mornings have caused many migratory birds to delay their departure south, according to Birdlife Finland.

A new precipitation system is approaching Finland from the south-west, bringing wet, heavy snow or sleet to southern and some central areas of the country, possibly causing headaches for commuters on Friday morning.