Average monthly wind speed in San Francisco

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

Annually, wind speeds in San Francisco vary between 1 m/s (2 knots) at their lowest and 2 m/s (4 knots) at their peak.

An average speed of 1 m/s (2 knots) in June, July, August, October and November would indicate that the air is mostly very light. Some days there will be no wind, but others may see quite light breezes up to 3 m/s (6 knots). With this average on most days you'd rarely feel the air move on your skin. This light, harmless air movements translates to around 3.6 kilometers per hour or 2.2 miles per hour.

On the Beaufort scale, it is referred to as "light air." Smoke would tend to rise vertically or drift only slightly. Most days would not be windy enough to rustle the leaves, though there could be other periods of breezy conditions. This average wind speed results in pleasant and calm weather.

Wind speeds reach an average of 2 m/s (4 knots) in January, February, March, April, May, September and December. This means that on some days, the air is nearly still. There could also be gusts of up to 4 m/s (8 knots) on other days.

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