Aarau Weather in May
In Aarau, May brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 9°C (48°F). Expect quite a bit of rainfall this month.
Rainfall in Aarau in May
Historically, the month has about 18 days of rain, averaging 155 mm (6.1 in) in total. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Aarau in May
Daytime temperatures in Aarau reach 19°C (66°F) in May, dropping to 9°C (48°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Aarau in May
The month brings about 188 hours of sunlight, offering a comfortable mix of sun and overcast.Should you favor a climate that's both dry and comfortably warm, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Aarau's climate page.
Aarau Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
59%
Precipitation
155 mm (6.1 in)
Rainy days
18 days
Humidity
72% *
Sunshine
188 hours *
Percentage Sunshine
43% *
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Aarau in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Aarau in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Aarau's climate page.
Temperature Rainfall Sunshine Humidity
See the full Aarau climate overview or explore weather in Switzerland.
