In December 2015, fuel in Slovakia averaged €1.216 for petrol

Petrol, monthly average€1.216/L
Diesel, monthly average€1.055/L
LPG, monthly average€0.584/L
Weekly bulletins held for December 20152

Monthly averages for Slovakia across December 2015, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).