Which term does not describe the climate of the baltic states?

How is the climate in the Baltic States? 

They are located rather north, so it is rather cold - it's definitely not tropical 

But, they are also not located very north, as in they are not lying on the Polar Circle - so their climate is not polar either (another option that  could answer your question)

The climate of the Baltic states is temperate humid continental: it's characterized by 4 seasons and cold winters. 

Avertical or horizontal line used in graphs is called a(n) equatorhope this

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