Val dʼIlliez Weather in December

During December, Val dʼIlliez experiences very low daytime temperatures of 1°C (34°F) and cooler nights around -9°C (16°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 155 mm (6.1 in) is typical.

Rainfall in Val dʼIlliez in December

Past climate data indicates that roughly 14 days will see snow/rain, totalling around 155 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 Val dʼIlliez in December

Val dʼIlliez in December gets highs of 1°C (34°F) during the day and drops to -9°C (16°F) at night. The month of December belongs to the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -9°C (16°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

Sunshine in Val dʼIlliez in December

The month has fewer sunny days, with around 75 hours of sunshine.

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

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

Val dʼIlliez Temperature in December

Min Temperature -9°C (16°F)  

Max Temperature 1°C (34°F)  

Chance of Rain 48%  

Precipitation 155 mm (6.1 in)  

Rainy days 14 days  

Sunshine 75 hours *  

Percentage Sunshine *  

* Data from: Chamonix-Mont-Blanc, France (31 KM, 19 Miles).

What to Wear in Val dʼIlliez in December

We recommend to layer up for chilly conditions in Val dʼIlliez 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Val dʼIlliez 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 Val dʼIlliez's climate page.

More climate data for Val dʼIlliez

Temperature Rainfall Sunshine

See the full Val dʼIlliez climate overview or explore weather in Switzerland.