Arolla Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Arolla, Canton of Valais, Switzerland. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Arolla varies greatly throughout the year. The sunniest month, July, reaches an impressive 202 hours, while December, the darkest month, offers only 83 hours. The total annual amount of sun is 1685 hours.

Daily hours of sunshine

In Arolla, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.8 hours per day.

Average percent of sunshine

On average the sun shines 69% of the time during the day in September, the highest percentage of any month. January has the lowest percentage at 53%.

Arolla enjoys an average of 1685 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.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

May, Arolla’s wettest month, receives 113 mm (4.4 in) of rainfall and has a maximum daytime temperature of 8°C (46°F). During the driest month February you can expect a temperature of -5°C (23°F).

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