Average humidity in Heswall
The mean monthly relative humidity over the year in Heswall (Merseyside), the United Kingdom.
- On average, December is the most humid month, at 86.0%.
- On average, May is the least humid month, at 76.0%.
- The average annual percentage of humidity is 81%.
Forecast for Heswall
partly cloudy and chance of sleet
broken clouds and chance of rain
overcast and heavy rain