Altstätten Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Altstätten, St.Gallen Canton, Switzerland. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Sunshine in Altstätten varies greatly throughout the year. The sunniest month, July, reaches an impressive 229 hours, while December, the darkest month, offers only 48 hours. The total annual amount of sun is 1632 hours.

Daily hours of sunshine

In Altstätten, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours per day.

Average percent of sunshine

On average the sun shines 50% of the time during the day in August, the highest percentage of any month. January has the lowest percentage at 22%.

Altstätten enjoys an average of 1632 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.

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

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

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

June, Altstätten’s wettest month, receives 187 mm (7.4 in) of rainfall and has a maximum daytime temperature of 21°C (70°F). During the driest month January you can expect a temperature of 4°C (39°F).

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