Average monthly wind speed in Zaventem

The mean monthly wind speed over the year in Zaventem (Flemish Brabant), Belgium.

Annually, wind speeds in Zaventem vary between 3 m/s (6 knots) at their lowest and 4 m/s (8 knots) at their peak.

The average wind speed is 3 m/s (6 knots) during April, May, June, July, August, September, October and November, 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.

Wind speeds average 4 m/s (8 knots) during January, February, March and December; these fall in the windiest period. This means most days are noticeably windy with small branches moving constantly. Dust gets lifted and papers blow around. The measurement represents 14.4 km/h or 8.9 mph. There may still be stronger gusts or calmer moments, but breezy conditions are typical.

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