Average humidity in Herstal
The mean monthly relative humidity over the year in Herstal (Liege Province), Belgium.
- On average, December is the most humid month, at 88.0%.
- On average, April is the least humid month, at 71.0%.
- The average annual percentage of humidity is 79%.
Weather Forecasts for Herstal
partly cloudy and no rain
broken clouds and thunder
almost clear and no rain