In November 2017, fuel in Latvia averaged €1.183 for petrol

Petrol, monthly average€1.183/L
Diesel, monthly average€1.090/L
LPG, monthly average€0.534/L
Weekly bulletins held for November 20174

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