Average humidity in Alphen aan den Rijn

The mean monthly relative humidity over the year in Alphen aan den Rijn (Zuid-Holland), the Netherlands.

Data from: Valkenburg, the Netherlands (17 KM, 10 Miles).

On average, December is the most humid month, at 87.0%.
On average, May is the least humid month, at 78.0%.
The average annual percentage of humidity is 82%.

Forecast for Alphen aan den Rijn

Thu Nov 21

5°C | 0°C

14 km/h

5.3 mm

partly cloudy and chance of sleet

hourly forecast

Fri Nov 22

6°C | 1°C

25 km/h

18 mm

broken clouds and rain

hourly forecast

Sat Nov 23

7°C | 0°C

25 km/h

4.9 mm

overcast and slight rain

hourly forecast

5-Day Forecast 10-Day Forecast

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