Average monthly wind speed in Foster City (CA)

On this page you will find more information about the mean monthly wind speed over the year in Foster City (California), the United States of America.

These figures come from monthly climatological averages showing that Foster City sees peak wind speeds of 7 m/s (14 knots) during its windiest period and minimum speeds of 3 m/s (6 knots) during its calmest season.

With an average wind speed of 3 m/s (6 knots) in January, November and December, it experiences a fair and typical breeze. However, conditions can vary between days, and stronger winds may occasionally occur. On a day with 3 m/s (6 knots), leaves and small twigs are constantly in motion, and a flag would be clearly waving. This translates to roughly 11 km/h or 6.7 mph. Most days are suitable for spending time outdoors.

Wind speeds average [7 m/s] in June and July, making these the windiest months of the year. Many days have strong, persistent breezes, and gusts can occasionally reach higher levels.

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