Average monthly wind speed in Harmelen

On this page you will find more information about the mean monthly wind speed over the year in Harmelen (Utrecht Province), the Netherlands.

These figures come from monthly climatological averages showing that Harmelen sees peak wind speeds of 4 m/s (8 knots) during its windiest period and minimum speeds of 3 m/s (6 knots) during its calmest season.

The average wind speed is 3 m/s (6 knots) during May, June, July, August, September and October, indicating consistent yet manageable airflow. Daily conditions vary, with some days bringing stronger breezes. At the average speed, foliage moves steadily, and flags show noticeable motion. In common units, this equals about 11 kilometers per hour or 6.7 miles per hour. Overall, it's are pleasant months to be outdoors in terms of wind conditions.

The windiest time of year, January, February, March, April, November and December has average wind speeds of 4 m/s (8 knots). This means typical days have strong breezes that make flags snap and clothing flap. Walking against the wind takes slight effort. The speed translates to 14.4 kilometers per hour or 8.9 miles per hour. While some periods are calmer or gustier, windy weather is the norm.

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