Average humidity in Oldham
The mean monthly relative humidity over the year in Oldham (Greater Manchester), the United Kingdom.
- On average, September is the most humid month, at 89.0%.
- On average, May is the least humid month, at 84.0%.
- The average annual percentage of humidity is 88%.
Forecast for Oldham
partly cloudy and small chance of slight snow
partly cloudy and small chance of rain
overcast and heavy rain