In June 2020, fuel in Czechia averaged €1.006 for petrol

Petrol, monthly average€1.006/L
Diesel, monthly average€0.999/L
LPG, monthly average€0.447/L
Weekly bulletins held for June 20205

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