Geneva 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 Geneva, Canton of Geneva, Switzerland. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

If you're visiting Geneva, timing is key. In July, you can enjoy up to 267 hours of sunshine, while the shorter days of December provide just 47 hours. The total annual amount of sun is 1883 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Geneva. While July receives considerable daily sunshine with up to 8.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 62% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 21%.

Geneva enjoys an average of 1883 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.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

May, Geneva’s wettest month, receives 135 mm (5.3 in) of rainfall and has a maximum daytime temperature of 19°C (66°F). During the driest month February you can expect a temperature of 7°C (45°F).

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