What's the temperature in Finland in four seasons?

It is located in the northern part of Europe, with many latitudes, bordering Sweden, Norway and Russia, bordering Finland Bay in the south and Virginia Bay in the west. Coastline length 1 100 km. The terrain is high in the north and low in the south. The inland water area accounts for 10% of the national area, with about179,000 islands and188,000 lakes, which is known as the "country of thousands of lakes". 13 of the country is in the Arctic Circle. It belongs to temperate maritime climate, with warm winter and cool summer, and small annual temperature difference. The average temperature in winter is-14℃-3℃, the average temperature in summer is 13℃- 17℃, and the average annual rainfall is 600 mm.