Average monthly wind speed in Cardiff

On this page you will find more information about the mean monthly wind speed over the year in Cardiff (Wales), the United Kingdom.

The average annual wind speed in Cardiff spans from 4 m/s to 5 m/s.

In May, June, July, August and September you will have an average wind speed of 4 m/s, indicating a noticeable breeze on most days. Daily variations can range from very light winds to stronger gusts. On an average day with 4 m/s, small tree branches sway steadily. This speed is equivalent to 14.4 kilometers per hour or 8.9 miles per hour. While the climate generally allows for outdoor activities, occasional gusts may affect activities such as ball games. It can also produce white-capped waves over water.

However, January, February, March, April, October, November and December experiences average wind speeds of [5 m/s]. This means most days feature persistent breezes that cause large branches to sway and dust to blow around. The wind creates noticeable resistance. This speed translates to 18 kilometers per hour or 11.2 miles per hour. While intensity may vary at times, consistently windy weather is typical during this period. It's an ideal time for kite and windsurfing enthusiasts.

For more detailed information about Cardiff’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Cardiff climate page.