Average monthly wind speed in Boissy-Saint-Léger

On this page you will find more information about the mean monthly wind speed over the year in Boissy-Saint-Léger (Ile de France), France.

These figures come from monthly climatological averages showing that Boissy-Saint-Léger 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 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, April 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 Boissy-Saint-Léger’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Boissy-Saint-Léger climate page.