Average humidity in Helensburgh
The mean monthly relative humidity over the year in Helensburgh (Strathclyde), the United Kingdom.
* Data from: Glasgow, Scotland (24 KM, 15 Miles).
- On average, January is the most humid month, at 87.0%.
- On average, May is the least humid month, at 68.0%.
- The average annual percentage of humidity is 79%.
Forecast for Helensburgh
Sat Sep 28
12°C | 6°C
W 
14 km/h
14 km/h1 mm
broken clouds and rain
Sun Sep 29
14°C | 7°C
SE 22 km/h
22 km/h0.3 mm
overcast and small chance of slight rain
Mon Sep 30
13°C | 9°C
NE 14 km/h
14 km/h3.3 mm
overcast and rain
