Sion Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Sion, Canton of Valais, Switzerland. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Sion. Expect long, bright days with 270 hours in July and darker periods with just 70 hours in December. The total annual amount of sun is 2171 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 65% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 50%.

Sion vs Major Cities: Sunshine Compared

Sion enjoys an average of 2171 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Related Climate Data for Sion

June, Sion’s wettest month, receives 162 mm (6.4 in) of rainfall and has a maximum daytime temperature of 17°C (63°F). During the driest month October you can expect a temperature of 10°C (50°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Sion Precipitation page.