In August 2021, fuel in Czechia averaged €1.322 for petrol

Petrol, monthly average€1.322/L
Diesel, monthly average€1.237/L
LPG, monthly average€0.591/L
Weekly bulletins held for August 20215

Monthly averages for Czechia across August 2021, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).