Average monthly wind speed in Seoul

On this page you will find more information about the mean monthly wind speed over the year in Seoul (Chungcheongbuk-Do), South Korea.

The mean wind speed in Seoul over the year fluctuates between 2 m/s (4 knots) and 3 m/s (6 knots).

During January, February, March, May, June, July, August, September, October, November and December, Seoul maintains a 2 m/s (4 knots) wind speed average, producing gentle air movement. Some days will be calm while others may experience more wind. At the average speed, you'll feel light air pressure on exposed skin and observe subtle leaf movement. Converting to familiar units, this equals 7.2 km/h or 4.5 mph. Despite occasional breezes, the wind is usually light enough to spend time outdoors.

The windiest period, April has average wind speeds of 3 m/s (6 knots). This means typical days feature moderate breezes that keep small branches moving. Air flow is consistent and noticeable. The speed translates to 10.8 kilometers per hour or 6.7 miles per hour. While some days are lighter, others may experience increased winds reaching 6 m/s (12 knots).

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