Sommeri Weather in December

December in Sommeri typically sees daytime highs of 5°C (41°F) and nighttime lows of -1°C (30°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Sommeri in December

Expect around 14 days of snow/rain based on historical data, with 105 mm (4.1 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Sommeri in December

If you're visiting Sommeri in December, expect highs of 5°C (41°F) and overnight lows around -1°C (30°F). The winter season is characteristic of December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Sommeri in December

With limited sunshine this month, there are about 48 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Sommeri. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
• February
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• December

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

Sommeri Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 48%  

Precipitation 105 mm (4.1 in)  

Rainy days 14 days  

Humidity 80% *  

Sunshine 48 hours *  

Percentage Sunshine 25% *  

* Data from: St. Gallen, Switzerland (17 KM, 10 Miles).

What to Wear in Sommeri in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Sommeri 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 Sommeri's climate page.

More climate data for Sommeri

Temperature Rainfall Sunshine Humidity

See the full Sommeri climate overview or explore weather in Switzerland.