Rapperswil-Jona Weather & Climate: Best Time to Visit

In Rapperswil-Jona, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 4°C (39°F) in the coolest month, February.

Nights vary from 13°C (55°F) in July to around -3°C (27°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rapperswil-Jona experiences significant rain/snowfall throughout the year, averaging 1742 mm (69 in) of precipitation annually. Rapperswil-Jona offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (196 mm (7.7 in)) and the driest month January (113 mm (4.4 in)) is not too significant. For more details, please visit our Rapperswil-Jona Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Rapperswil-Jona serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.7 hours of sunshine daily, and embrace the darker days in December, offering only 1.6 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Rapperswil-Jona.

The city experiences its highest humidity in November, reaching 85%. In April, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year