Apateu has a humid continental climate, with cold and snowy winters and hot summers.

From an ethnical point of view it has the following structure: 94,8% are Romanians, 0,2% Hungarians, 4,9% Roms and 0,1% are of other or undeclared nationalities.

In the south west area and on the actual spot of the village it was founded traces from the late neolithic period, such as tools of stone like: small flat chisel, axes and fragments of pottery.

In the period of antiquity the place was lived in by Dacians, the region being included in the kingdom of Dacia ruled by king Burebista.

After the Roman occupation of the Dacia, the region remained unoccupied and uninhabited of the tribes of the free Dacians.