Average humidity in Leiden
The mean monthly relative humidity over the year in Leiden (Zuid-Holland), the Netherlands.
- On average, December is the most humid month, at 87.0%.
- On average, May is the least humid month, at 78.0%.
- The average annual percentage of humidity is 82%.
Weather Forecasts for Leiden
partly cloudy and no rain
overcast and heavy rain
broken clouds and rain