Cardiff, Wales Weather and Climate

Cardiff Travel Weather and Historic Climate Charts

Cardiff, like the rest of Wales, has unpredictable weather that can be wet, windy and unforgiving. Rail is possible any time, but peaks seriously in November and December. But you don't go to Wales for the weather.

Rain starts in earnest in October and continues through the winter.

Cardiff - Best Times to Go

Cardiff is most popular in summer, when days are long and warm and the streets are clogged with British visitors. Cardiff's driest months are from April to July.

To avoid crowds, go in Spring, remembering that many B&B's close between mid-October and Easter.

Cardiff Historic Temperatures and Precipitation

The climate charts below show the historic, month to month high and low temperatures and average monthly rainfall for Cardiff, Wales.