Average humidity in Boulogne-Billancourt
The mean monthly relative humidity over the year in Boulogne-Billancourt (Ile de France), France.
- On average, December is the most humid month, at 84.0%.
- On average, May is the least humid month, at 69.0%.
- The average annual percentage of humidity is 78%.
Weather Forecasts for Boulogne-Billancourt
overcast and heavy rain
partly cloudy and chance of slight rain
broken clouds and chance of rain