In May 2020, fuel in Slovakia averaged €1.076 for petrol

Petrol, monthly average€1.076/L
Diesel, monthly average€1.011/L
LPG, monthly average€0.525/L
Weekly bulletins held for May 20204

Monthly averages for Slovakia across May 2020, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).