Average monthly wind speed in Diegem

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

These figures come from monthly climatological averages showing that Diegem 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 3 m/s (6 knots) average wind speed in April, May, June, July, August, September, October and November brings moderate air movement. Conditions can vary throughout the month, with some days experiencing stronger winds and others remaining calm. At this average speed, leaves and small branches move steadily, and flags show continuous motion. This equates to about 11 kilometers per hour or 6.7 miles per hour.

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 Diegem’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Diegem climate page.