Average humidity in San Ysidro (CA)
The mean monthly relative humidity over the year in San Ysidro (California), the United States of America.
- On average, July is the most humid month, at 80.0%.
- On average, November is the least humid month, at 69.0%.
- The average annual percentage of humidity is 75%.
Forecast for San Ysidro (CA)
almost clear and no rain
broken clouds and no rain
almost clear and no rain