Vétroz Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Vétroz, Canton of Valais, Switzerland. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Vétroz varies. It peaks at 270 hours in July and drops to 70 hours in December. The total annual amount of sun is 2171 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Vétroz. While July receives considerable daily sunshine with up to 9.0 hours, December marks the darkest time of the year, where sunshine is scarce 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%.

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

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

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

June, Vétroz’s wettest month, receives 175 mm (6.9 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 11°C (52°F).

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