Average monthly wind speed in Wailuku (HI)

On this page you will find more information about the mean monthly wind speed over the year in Wailuku (Hawaii), the United States of America.

These figures come from monthly climatological averages showing that Wailuku 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 January, February, October, November and December means Wailuku 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.

The windiest time of year, June, July and August sees average wind speeds of 6 m/s (12 knots). This means most days have strong breezes that make entire trees sway and make umbrellas difficult to control. Wind pressure is clearly felt. The speed translates to 21.6 kilometers per hour or 13.4 miles per hour. While some moments are calmer or more intense, windy conditions dominate this period.

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