In August 2015, fuel in Czechia averaged €1.197 for petrol

Petrol, monthly average€1.197/L
Diesel, monthly average€1.135/L
LPG, monthly average€0.520/L
Weekly bulletins held for August 20155

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