Average humidity in Hillingdon
The mean monthly relative humidity over the year in Hillingdon (Greater London), the United Kingdom.
* Data from: London, the United Kingdom (5 KM, 3 Miles).
- On average, November is the most humid month, at 81.0%.
- On average, April is the least humid month, at 64.0%.
- The average annual percentage of humidity is 71%.
Forecast for Hillingdon
Thu May 23
18°C | 11°C
W 
22 km/h
22 km/h
broken clouds and no rain
Fri May 24
18°C | 7°C
SW 11 km/h
11 km/h
broken clouds and no rain
Sat May 25
21°C | 9°C
S 14 km/h
14 km/h
partly cloudy and no rain
