Wengen Weather in December
December in Wengen typically sees daytime highs of -2°C (28°F) and nighttime lows of -10°C (14°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.
Rainfall in Wengen in December
You can typically expect 16 days of snow this month, averaging around 153 mm (6 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Wengen in December
Expect highs of -2°C (28°F) in Wengen in December, with nights dropping to around -10°C (14°F). December is a notable month of the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -10°C (14°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.
Sunshine in Wengen in December
This month is characterized by fewer sunny days, with about 51 hours of sunshine. It's great for those who appreciate cooler, less sunny days.To explore more travel options, our weather planner can help you discover destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Wengen's climate page.
Wengen Temperature in December
Min Temperature
-10°C (14°F)
Max Temperature
-2°C (28°F)
Chance of Rain
52%
Precipitation
153 mm (6 in)
Rainy days
16 days
Humidity
83% *
Sunshine
51 hours *
Percentage Sunshine
36% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wengen typically stay consistent throughout December, with daily highs averaging around -2°C (28°F). Nights are very cold, with lows around -4°C (25°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Wengen in December
Browse day-by-day weather records for Wengen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wengen historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Wengen.
- On December 17, 1989, temperatures climbed to 16°C (61°F), marking the warmest December day on record.
- The coldest December day was on December 25, 1981, with a maximum of -14°C (7°F).
- Nighttime temperatures dropped to -25°C (-13°F) on December 24, 1986, marking the coldest December night on record.
- The wettest day in December Wengen was on December 22, 1991 with 57 mm (2.2 in) of precipitation.
Best Places in Switzerland in December
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in December →
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What to Wear in Wengen in December
It's wise to bundle up for freezing conditions in Wengen in December. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. 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 Wengen in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Wengen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Wengen climate overview or explore weather in Switzerland.
