St. Gallen Weather & Climate: Best Time to Visit

The climate in St. Gallen is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).

At night, temperatures range from around 14°C (57°F) in July to -3°C (27°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

St. Gallen has a notably wet climate with abundant precipitation, recording 1677 mm (66 in) of rain/snowfall per year. St. Gallen experiences moderate seasonal variation in rainfall, with monthly averages ranging from 197 mm (7.8 in) in June, the wettest month, and 102 mm (4 in) in January, the driest month. For more details, please visit our St. Gallen Precipitation page.

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

The average number of days each month with precipitation

St. Gallen can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 hours of sunlight per day.

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 St. Gallen.

The city experiences its highest humidity in November, reaching 82%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year