Average humidity in San Diego (CA)
The mean monthly relative humidity over the year in San Diego (California), the United States of America.
- On average, July is the most humid month, at 75.0%.
- On average, January is the least humid month, at 64.0%.
- The average annual percentage of humidity is 69%.
Forecast for San Diego (CA)
clear and no rain
clear and no rain
broken clouds and no rain