In December 2017, fuel in Czechia averaged €1.184 for petrol

Petrol, monthly average€1.184/L
Diesel, monthly average€1.155/L
LPG, monthly average€0.550/L
Weekly bulletins held for December 20173

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