St.Gallen Canton Weather & Climate: Switzerland

Climate by month across St.Gallen Canton, Switzerland, average temperatures, rainfall and the best time to visit.

Climate overview of St.Gallen Canton

St.Gallen Canton is one of several regions in Switzerland, with temperatures that range from 0°C (32°F) in January to 20°C (68°F) during the peak of July. We've based our full climate overview on data from Bad Ragaz, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

The weather in St.Gallen Canton during July and August is comfortably warm, with average temperatures ranging from 20°C (68°F) to 20°C (68°F).

The coldest months are usually in January, February, March, April, November and December.

When it comes to rainfall, St.Gallen Canton sees significant variations throughout the year. June tends to be the wettest, receiving 234 mm (9.2 in) of rain, while January is much drier with just 118 mm (4.6 in). Travelers should note that the rainy season falls during May, June, July and August, bringing substantial precipitation ranging from 195 mm (7.7 in) to 234 mm (9.2 in) monthly.

For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.

Explore St.Gallen Canton by month

Pick a month to see the average temperature, rainfall and sunshine in St.Gallen Canton — and find the best time to visit. (based on Bad Ragaz)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Bad Ragaz Amden Unterwasser Wildhaus Alt Sankt Johann Sevelen
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of St.Gallen Canton

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Bad Ragaz 1°C (34°F) 20°C (68°F) -9°C (16°F) 9°C (48°F) 1958 mm (77 in) 1,502 hours
Amden 2°C (36°F) 21°C (70°F) -6°C (21°F) 11°C (52°F) 2114 mm (83 in) 1,786 hours
Unterwasser 2°C (36°F) 22°C (72°F) -6°C (21°F) 11°C (52°F) 2097 mm (83 in) 1,786 hours
Wildhaus 2°C (36°F) 22°C (72°F) -6°C (21°F) 11°C (52°F) 2056 mm (81 in) 1,786 hours
Alt Sankt Johann 2°C (36°F) 21°C (70°F) -6°C (21°F) 11°C (52°F) 2122 mm (84 in) 1,786 hours
Sevelen 2°C (36°F) 21°C (70°F) -7°C (19°F) 10°C (50°F) 1949 mm (77 in) 1,502 hours

Places in St.Gallen Canton, Switzerland

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Bucket list

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