Average humidity in Thornhill
The mean monthly relative humidity over the year in Thornhill (Dumfries and Galloway), the United Kingdom.
- On average, December is the most humid month, at 90.0%.
- On average, May is the least humid month, at 70.0%.
- The average annual percentage of humidity is 81%.
Forecast for Thornhill
partly cloudy and no rain
partly cloudy and no rain
overcast and heavy sleet