Average humidity in Aarau

The mean monthly relative humidity over the year in Aarau (Aargau), Switzerland.

Data from: Basel, Switzerland (38 KM, 24 Miles).

On average, December is the most humid month, at 82.0%.
On average, April is the least humid month, at 68.0%.
The average annual percentage of humidity is 75%.

Forecast for Aarau

Thu Dec 12

3°C | 0°C

7 km/h

overcast and no rain

hourly forecast

Fri Dec 13

3°C | -1°C

4 km/h

partly cloudy and no rain

hourly forecast

Sat Dec 14

5°C | -1°C

7 km/h

0.8 mm

overcast and slight rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Aarau.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Travel Inspiration

The Verzasca Valley

You can visit the Verzasca Valley in any season. It's an amazing place for swimming and it is a paradise for hikers. A must see for the bucket list.

The 5 most scenic train journeys in Switzerland

Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.

Balloon at Chateau D'oex

If you are looking for a special place to visit in Europe in January we recommend visiting the annual balloon festival in Château-d'Oex, Switzerland.

You'll love this Mountain roller coaster

Hotel Oeschinensee’s mountain coaster is a summer toboggan that you want to add to your bucket list. You'll get in your cart, sit down and fly across the track while enjoying the beautiful mountain scenery around you.