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Wengen Weather in January

Wengen in January sees very low daytime temperatures of -3°C (27°F) and nighttime lows of -11°C (12°F). Rainfall is fairly high this month at around 138 mm (5.4 in), so pack a rain jacket to stay dry.

Rainfall in Wengen in January

Typically, about 16 days will experience snowfall, with an average of 138 mm (5.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Wengen in January

Daytime highs in Wengen in January reach -3°C (27°F), with nights around -11°C (12°F). Experience the winter season in January. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -11°C (12°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.

Sunshine in Wengen in January

This month is characterized by fewer sunny days, with about 66 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

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Wengen Temperature in January

Min TemperatureMin Temperature -11°C (12°F)  
Max TemperatureMax Temperature -3°C (27°F)  
Chance of RainChance of Rain 54%  
PrecipitationPrecipitation 138 mm (5.4 in)  
Rainy daysRainy days 16 days  
HumidityHumidity 82% *  
SunshineSunshine 66 hours *  
Percentage SunshinePercentage Sunshine 41% *  
* Data from: Interlaken, Switzerland (7 KM, 4 Miles).

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Wengen typically stay consistent throughout January, with daily highs averaging around -3°C (27°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -5°C (23°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather for Wengen in January

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 January

Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Wengen.

  • Wengen recorded its highest January temperature of 13°C (55°F) on January 19, 2007.
  • On January 29, 2005, Wengen saw its coldest January day with temperatures maxing out at -7°C (19°F).
  • Nighttime temperatures dropped to -16°C (3°F) on January 15, 2006, marking the coldest January night on record.
  • The wettest January day on record brought 68 mm (2.7 in) of precipitation to Wengen (January 4, 2018).

Best Places in Switzerland in January

Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in January →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Wengen in January

It's wise to bundle up for freezing conditions in Wengen in January. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Wengen in January

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

Swimming
1/10
Cycling
1/10
Walking
1/10
Camping
1/10
Outdoor sports
1/10

Select a Month

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.

More climate data for Wengen