Average monthly wind speed in Kahului (HI)

Here you can view the typical wind conditions throughout the year in Kahului, (Hawaii), the United States of America.

These figures come from monthly climatological averages showing that Kahului 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 Kahului 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.

Wind speeds reach an average of 6 m/s (12 knots) in June, July and August; 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 Kahului’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Kahului climate page.