Average monthly wind speed in Des Moines (WA)

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

These figures come from monthly climatological averages showing that Des Moines sees peak wind speeds of 5 m/s (10 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 February, April, May, June, July, August, September, October, November and December means Des Moines 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 average 5 m/s (10 knots) in , marking the windiest months of the year. The air is often steady and noticeable throughout the month, though occasional stronger gusts or brief calms may occur. Windy conditions are typical during this period, making it a great time for activities like windsurfing and kitesurfing.

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