Troistorrents Weather in December

Thinking of visiting Troistorrents in December? Expect very low temperatures reaching 1°C (34°F) during the day, dropping to -9°C (16°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Troistorrents in December

Past climate data indicates that roughly 14 days will see snow/rain, totalling around 154 mm (6.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Troistorrents in December

Temperatures in Troistorrents in December top out at 1°C (34°F) and drop to -9°C (16°F) overnight. December is in the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With overnight lows of -9°C (16°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. Prepare for a very cold month by layering your clothing. It's always better to be prepared for the cold than to face it unprotected.

Sunshine in Troistorrents in December

The area sees fewer sunny days, with a projection of about 70 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

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

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

Troistorrents Temperature in December

Min Temperature -9°C (16°F)  

Max Temperature 1°C (34°F)  

Chance of Rain 47%  

Precipitation 154 mm (6.1 in)  

Rainy days 14 days  

Humidity 83% *  

Sunshine 70 hours *  

Percentage Sunshine 50% *  

* Data from: Sion, Switzerland (32 KM, 19 Miles).

What to Wear in Troistorrents in December

Dress warmly and in layers for your trip to Troistorrents in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Troistorrents in December

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

Swimming

4/10

Cycling

2/10

Walking

2/10

Camping

1/10

Outdoor sports

2/10

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 Troistorrents's climate page.

More climate data for Troistorrents

Temperature Rainfall Sunshine Humidity

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