St. Gallen Weather in December

During December, St. Gallen experiences low daytime temperatures of 5°C (41°F) and cooler nights around -2°C (28°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 117 mm (4.6 in) is typical.

Rainfall in St. Gallen in December

Expect around 15 days of snow/rain based on historical data, with 117 mm (4.6 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in St. Gallen in December

Temperatures in St. Gallen in December top out at 5°C (41°F) and drop to -2°C (28°F) overnight. December is in the winter season. Staying warm is the main priority this month, especially during mornings and evenings. Nights drop below freezing to -2°C (28°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.

Sunshine in St. Gallen in December

This month is characterized by fewer sunny days, with about 48 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

December in St. Gallen has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our St. Gallen's climate page.

St. Gallen Temperature in December

Min Temperature -2°C (28°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 49%  

Precipitation 117 mm (4.6 in)  

Rainy days 15 days  

Humidity 80%  

Sunshine 48 hours  

Percentage Sunshine 25%  

What to Wear in St. Gallen in December

We recommend to layer up for chilly conditions in St. Gallen in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in St. Gallen in December

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

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our St. Gallen's climate page.

More climate data for St. Gallen

Temperature Rainfall Sunshine Humidity

See the full St. Gallen climate overview or explore weather in Switzerland.