Average humidity in Jamestown
The mean monthly relative humidity over the year in Jamestown (), Saint Helena.
- On average, August is the most humid month, at 76.0%.
- On average, January is the least humid month, at 62.0%.
- The average annual percentage of humidity is 70%.
Weather Forecasts for Jamestown
partly cloudy and no rain
almost clear and no rain
partly cloudy and small chance of slight rain