Average monthly wind speed in Rosny-sous-Bois

The mean monthly wind speed over the year in Rosny-sous-Bois (Ile de France), France.

The average annual wind speed in Rosny-sous-Bois spans from 3 m/s (6 knots) to 4 m/s (8 knots).

The 3 m/s (6 knots) average wind speed in 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.

The windiest time of year, January, February, March, April 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 Rosny-sous-Bois’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Rosny-sous-Bois climate page.