Rapperswil-Jona 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 Rapperswil-Jona, Switzerland. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Seasonal sunshine in Rapperswil-Jona varies. It peaks at 230 hours in July and drops to 48 hours in December. The total annual amount of sun is 1705 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Rapperswil-Jona. While July receives considerable daily sunshine with up to 7.7 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 53% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 20%.

Rapperswil-Jona enjoys an average of 1705 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.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

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

June, Rapperswil-Jona’s wettest month, receives 181 mm (7.1 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 Rapperswil-Jona Precipitation page.