Average humidity in Gronau
The mean monthly relative humidity over the year in Gronau (North Rhine-Westphalia), Germany.
- On average, December is the most humid month, at 88.0%.
- On average, April is the least humid month, at 72.0%.
- The average annual percentage of humidity is 80%.
Forecast for Gronau
overcast and heavy rain
broken clouds and chance of slight rain
overcast and rain