Average monthly wind speed in Deerfield (IL)

The mean monthly wind speed over the year in Deerfield (Illinois), the United States of America.

Annually, wind speeds in Deerfield vary between 4 m/s (8 knots) at their lowest and 6 m/s (12 knots) at their peak.

The 4 m/s (8 knots) average in June, July, August and September means Deerfield experiences consistent moderate winds. Conditions vary from calm periods around to more active episodes throughout the month. At typical wind levels, smaller trees show steady branch movement. In common units, 4 m/s (8 knots) equals 14.4 km/h or 8.9 mph. While generally comfortable for most activities, occasional windy days may affect your plans and can make the air feel cooler.

In contrast, wind speeds average 6 m/s (12 knots) during January, March and April; these months are known as the windiest. Most days are quite windy, with small branches moving and occasional difficulty walking against the wind. Loose objects may be blown away. The measurement represents 21.6 km/h or 13.4 mph. There may still be stronger gusts or calmer moments, but strong winds are typical.

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