Average humidity in Grimbergen
The mean monthly relative humidity over the year in Grimbergen (Flemisch Brabantine), Belgium.
- On average, December is the most humid month, at 86.0%.
- On average, April is the least humid month, at 69.0%.
- The average annual percentage of humidity is 77%.
Forecast for Grimbergen
overcast and heavy rain
partly cloudy and chance of slight rain
overcast and rain