Welsh councils paid £1.8 million pounds out in compensation claims for road users last year.
The annual Local Authority Road Maintenance Survey says two thirds of roads were badly affected by flooding in 2012.
Between them, councils in Wales filled nearly 160,000 potholes.
More top news
Met office Yellow 'Be Aware' Warning of strong winds
After a dry end to the day, there'll be a few showers this evening Winds getting stronger overnight.
If you missed tonight's episode of Wales This Week, Test Tube Triumph, you can now catch up here