Average monthly wind speed in Nagasaki

On this page you will find more information about the mean monthly wind speed over the year in Nagasaki (Nagasaki), Japan.

The average annual wind speed in Nagasaki spans from 1 m/s (2 knots) to 2 m/s (4 knots).

The 1 m/s (2 knots) average in September and October means predominantly still conditions throughout the month. Some days will be completely calm while others may experience a bit more wind. In general this minimal wind speed is barely perceptible on skin. In terms of speed conversion, it represents 3.6 kilometers per hour or 2.2 miles per hour.

The Beaufort scale categorizes this as "light air." Smoke patterns show nearly vertical rise with slight occasional drift. Tree leaves remain generally undisturbed, with only rare gentle rustling. Wind becomes a non-factor for most activities during these tranquil months.

The windiest period, January, February, March, April, May, June, July, August, November and December has average wind speeds of 2 m/s (4 knots). This means typical days have gentle air flow that moves leaves occasionally. Wind is noticeable but not strong. The speed translates to 7.2 kilometers per hour or 4.5 miles per hour. While some days feel almost still, others may see stronger periods reaching 4 m/s (8 knots).

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