Average monthly rainy days in Hillingdon
The number of days each month with rain, snow and hail in Hillingdon (Greater London), the United Kingdom.
- Most rainy days are in January, March, November and December.
- On average, January is the most rainy with 17 days of rain/snow.
- On average, July is the driest month with 11 rainy days.
- The average annual number of rainy days is 168.
Forecast for Hillingdon
Sat May 18
20°C | 12°C
NE 
11 km/h
11 km/h0.6 mm
broken clouds and slight rain
Sun May 19
22°C | 10°C
NE 18 km/h
18 km/h0.5 mm
partly cloudy and chance of slight rain
Mon May 20
21°C | 9°C
NE 18 km/h
18 km/h
partly cloudy and no rain
