Sierre Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Sierre, Canton of Valais, Switzerland. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Sierre, timing is key. In July, you can enjoy up to 270 hours of sunshine, while the shorter days of December provide just 70 hours. 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%.

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

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

June, Sierre’s wettest month, receives 147 mm (5.8 in) of rainfall and has a maximum daytime temperature of 16°C (61°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 Sierre Precipitation page.