Ollon Climate by Month
Ollon experiences great temperature shifts.
The city's weather can transition from pleasant days
to very cold weather.
It is also known for its large amounts of rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The climate in Ollon is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a pleasant 21°C in July to a very cold 0°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -9°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Ollon has a notably wet climate with abundant precipitation, recording 1873 mm of rain/snowfall per year. Ollon offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between June (206 mm) and October (123 mm) is not too significant, making the climate enjoyable for visitors and residents alike.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Ollon serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Ollon.
Relative humidity over the year
The best time of year to visit Ollon in Switzerland
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in May, June, July, August and December.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 21°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 0°C.
June tops the wettest month list with 206 mm of rainfall.
October is the driest month with 123 mm of precipitation.
July is the sunniest month with an average of 270 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.