Average monthly wind speed in Dun Laoghaire

On this page you will find more information about the mean monthly wind speed over the year in Dun Laoghaire (Dublin County), Ireland.

These figures come from monthly climatological averages showing that Dun Laoghaire sees peak wind speeds of 6 m/s (12 knots) during its windiest period and minimum speeds of 4 m/s (8 knots) during its calmest season.

The 4 m/s (8 knots) average in May, June, July, August and September means Dun Laoghaire experiences consistent moderate winds. Conditions vary from calm periods around to more active episodes throughout the month. At typical wind levels, smaller trees show steady branch movement. In common units, 4 m/s (8 knots) equals 14.4 km/h or 8.9 mph. While generally comfortable for most activities, occasional windy days may affect your plans and can make the air feel cooler.

In contrast, wind speeds average 6 m/s (12 knots) during January, February, March and December; these months are known as the windiest. Most days are quite windy, with small branches moving and occasional difficulty walking against the wind. Loose objects may be blown away. The measurement represents 21.6 km/h or 13.4 mph. There may still be stronger gusts or calmer moments, but strong winds are typical.

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