Gryon 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 Gryon, Vaud, Switzerland. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Gryon varies greatly throughout the year. The sunniest month, July, reaches an impressive 270 hours, while December, the darkest month, offers only 70 hours. The total annual amount of sun is 2171 hours.

Daily hours of sunshine

In Gryon, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.3 hours 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%.

Gryon 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.

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.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

June, Gryon’s wettest month, receives 203 mm (8 in) of rainfall and has a maximum daytime temperature of 18°C (64°F). During the driest month October you can expect a temperature of 12°C (54°F).

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