In August 2017, fuel in Slovakia averaged €1.242 for petrol

Petrol, monthly average€1.242/L
Diesel, monthly average€1.086/L
LPG, monthly average€0.577/L
Weekly bulletins held for August 20174

Monthly averages for Slovakia across August 2017, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).