Average monthly wind speed in Dublin

The mean monthly wind speed over the year in Dublin (Dublin County), Ireland.

Annually, wind speeds in Dublin vary between 4 m/s (8 knots) at their lowest and 6 m/s (12 knots) at their peak.

In May, June, July, August and September you will have an average wind speed of 4 m/s (8 knots), 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 (8 knots), 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.

Wind speeds reach an average of 6 m/s (12 knots) in January, February, March and December; these are statistically the windiest months. This means that on most days, the air is quite windy. There may also be stronger gusts or calmer moments, but windy conditions are typical during this period. This average equates to approximately 22 km/h or 13 mph. Under these conditions, using umbrellas is usually not advisable.

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