ClimateForecastNovemberDecember >>

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

Data from: Sion, Switzerland (27 KM, 17 Miles).

Daily hours of sunshine

Data from: Sion, Switzerland (27 KM, 17 Miles).

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:
  • Which months have the greatest rainfall in Ollon?
    Most rainfall (rainy season) is seen in May, June, July, August and December.
  • When is winter in Ollon?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Ollon?
    July has an average maximum temperature of 21°C and is the warmest month of the year.
  • Which is the coldest month in Ollon?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Ollon?
    June tops the wettest month list with 206 mm of rainfall.
  • Which is the driest month in Ollon?
    October is the driest month with 123 mm of precipitation.
  • Which is the sunniest month in Ollon?
    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.

    Forecast for Ollon

    Thu   Nov 21
    8°C | -1°C
    SE 7 km/h
    15 mm
    broken clouds and sleet

    broken clouds and sleet

    Fri   Nov 22
    5°C | -3°C
    NW 4 km/h
    2.6 mm
    overcast and slight snow

    overcast and slight snow

    Sat   Nov 23
    10°C | -6°C
    SE 4 km/h
    broken clouds and no rain

    broken clouds and no rain