Aarau weather in May (Aargau, Switzerland)

Looking to travel to Aarau in May? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In May, Aarau generally has pleasant temperatures and high rainfall. Throughout the daytime, temperatures often hover around 19°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 9°C.

Aarau in May usually receives high rainfall, averaging around 155 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 18 days of the month will see rainfall.

The city usually sees around 188 hours of sunlight, indicating a moderately sunny period.

In case you lean more towards enjoying temperate temperatures and rain-free days June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Aarau climate page with graphs.

 

Aarau, monthly averages in May

Min Temperature 9°C  

Max Temperature 19°C  

Chance of Rain 59%  

Precipitation 155 mm  

Rainy days 18 days  

Humidity 72% *  

Sunshine 188 hours *  

Percentage Sunshine 43% *  

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

Where to go in Switzerland in May

Find out more about the weather in Switzerland in May and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Aarau in May?

For visitors traveling to Aarau, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Swimming

6/10

Camping

3/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.