In January 2020, fuel in Czechia averaged €1.266 for petrol

Petrol, monthly average€1.266/L
Diesel, monthly average€1.262/L
LPG, monthly average€0.559/L
Weekly bulletins held for January 20204

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