Car rentals in Carmarthen, Wales

Carmarthen’s speed limit is 30 mph when you are driving in the city. This speed limit might also apply to surrounding towns and neighborhoods. The suburban speed limit in Carmarthen is 60 mph and the speed limit for highways is 70 mph. However, be sure to look for posted signage as these speeds may vary.

The climate in Wales during October is usually 51.8 °F with an expected 3.8″ of precipitation throughout the month. Those looking to rent a car and leave from Carmarthen on a road trip to the surrounding area should take note of this information.

Prices for cars in Carmarthen are refreshed on a daily basis.

As of October 2025, there are 14 operators available to choose from for cars in Carmarthen.

Age requirements for drivers vary depending on the country, including Carmarthen. In several EU countries, drivers must be 18 years old. Generally, to rent a car overseas, you must be at least 21 years old, and if you're under 25, you may be charged a young driver surcharge. It's recommended that you review the policy of your preferred rental company before booking.

When renting a car in Carmarthen, all drivers must present a full valid driving license. An International Driving Permit is required if the driving license is written in a language different to that of the country of rental and may be necessary to avoid the risk of potential fines. If you are renting abroad, you may also need to provide proof of return travel and accommodation information during your stay. We always recommend checking with the individual rental company you are booking with.