Average humidity in Half Moon Bay (CA)
The mean monthly relative humidity over the year in Half Moon Bay (California), the United States of America.
- On average, January is the most humid month, at 80.0%.
- On average, October is the least humid month, at 71.0%.
- The average annual percentage of humidity is 75%.
Weather Forecasts for Half Moon Bay (CA)
almost clear and no rain
broken clouds and rain
partly cloudy and small chance of slight rain