St. Gallen weather in December (St.Gallen Canton, Switzerland)

How is the weather in St. Gallen in December? Check out this comprehensive weather guide.

In December, St. Gallen generally has low temperatures and high snow/rainfall. December is a winter month. Anticipate daytime temperatures around 40°F (show in °C), while night temperatures can drop to 29°F. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.

St. Gallen in December usually receives high snow/rainfall, averaging around 4.6 inches (show in mm) for the month. Typically around 15 days of snow/rainfall is expected.

The city usually sees around 48 hours of sunlight, indicating fewer sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit St. Gallen. May, June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized St. Gallen climate page with graphs.


St. Gallen, monthly averages in December

Show in Celsius
Min Temperature 28.6°F  
Max Temperature 40.1°F  
Chance of Rain 49%  
Precipitation 4.6 inches  
Rainy days 15 days  
Humidity 80%  
Sunshine 48 hours  
Percentage Sunshine 25%  

Where to go in Switzerland in December

Find out more about the weather in Switzerland in December and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So, what should you wear in St. Gallen in December?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in St. Gallen.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.