Use Current Location

Average Petrol Price in Monmouthshire

Petrol (E10)158.1p
Diesel (B7S)182.9p

Today the average petrol price in Monmouthshire is 158.09p per litre. 2.0p higher than the average price in Wales.

The current average price of diesel is 182.89p per litre. 5.8p above the Welsh diesel average.

We calculate the daily averages by analysing price data from the 16 petrol stations in Monmouthshire that are sending price changes to the Fuel Finder system.

Cheapest Petrol in Monmouthshire

The cheapest petrol in Monmouthshire is in Abergavenny (155.4p per litre).

Currently, buying 60 litres of petrol in Abergavenny costs £3.90 less than in Monmouth (161.9p per litre).

Average Fuel Prices by City/Town

Select a town or city to view local petrol station price data.

TOWN/CITY STATIONS PETROL DIESEL
Abergavenny4155.40p180.90p
Caldicot2158.40p184.90p
Chepstow3158.40p181.57p
Monmouth3161.90p188.57p
Usk2157.90p184.90p

Average petrol prices last updated at 12 Jun 2026 10:00 (14 hours, and 17 minutes ago).

Petrol & Diesel Price Trends

The average price of petrol in Monmouthshire has decreased by 2.3p in the last week. Diesel has fallen by 2.7p.

In the last month petrol has dropped by 1.1p and. and diesel has fallen by 5.6p.