Grenchen 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 Grenchen, Canton of Solothurn, Switzerland. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

If you're visiting Grenchen, timing is key. In July, you can enjoy up to 244 hours of sunshine, while the shorter days of December provide just 54 hours. The total annual amount of sun is 1792 hours.

Daily hours of sunshine

In Grenchen, summer days are longer and more sunny, with daily sunshine hours peaking at 8.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per day.

Average percent of sunshine

On average the sun shines 56% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 23%.

Grenchen enjoys an average of 1792 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.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

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

May, Grenchen’s wettest month, receives 147 mm (5.8 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 Grenchen Precipitation page.