Ollon weather in May (Vaud, Switzerland)

How is the weather in Ollon in May? This guide provides all the details you need.

In May, Ollon typically experiences moderate temperatures and heavy rainfall. Daytime temperatures hover around 15°C, while nights can cool down to about 4°C.

Ollon in May falls under the rainy season with heavy rainfall, averaging around 193 mm for the month. Rain is expected on roughly 19 days.

With around 230 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Ollon. August typically offers the most optimal weather. In contrast, January, February, March, April, May, June, October, November and December tend to have less optimal conditions.

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

 

Ollon, monthly averages in May

Min Temperature 4°C  

Max Temperature 15°C  

Chance of Rain 62%  

Precipitation 193 mm  

Rainy days 19 days  

Humidity 62% *  

Sunshine 230 hours *  

Percentage Sunshine 56% *  

* Data from: Sion, Switzerland (27 KM, 17 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 Ollon in May?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Ollon.

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.