Interlaken Weather in December
Interlaken in December averages -1°C (30°F) during the day and -8°C (18°F) at night. This is part of the winter season, and quite a bit of snowfall is expected this month.
Rainfall in Interlaken in December
Expect around 15 days of snow based on historical data, with 146 mm (5.7 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Interlaken in December
December in Interlaken sees highs of -1°C (30°F) and lows of -8°C (18°F) overnight. December is typically considered a winter month. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights are well below freezing at -8°C (18°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. Known for its cold temperatures, this month requires warm clothing. Ensure you dress appropriately to stay comfortable.
Sunshine in Interlaken in December
This month sees fewer sunny days, with about 51 hours of sunshine, perfect for those who enjoy cooler temperatures.December in Interlaken has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Interlaken's climate page.
Interlaken Temperature in December
Min Temperature
-8°C (18°F)
Max Temperature
-1°C (30°F)
Chance of Rain
51%
Precipitation
146 mm (5.7 in)
Rainy days
15 days
Humidity
83%
Sunshine
51 hours
Percentage Sunshine
36%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Interlaken typically stay consistent throughout December, with daily highs averaging around -1°C (30°F). Nights are very cold, with lows around -3°C (27°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 Interlaken in December
Browse day-by-day weather records for Interlaken spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Interlaken historical weather extremes in December
According to our 49 years of weather records for Interlaken, the following extremes were recorded between 1976 and 2025.
- The hottest December day on record in Interlaken reached 17°C (63°F) (December 17, 1989).
- Interlaken experienced its chilliest December day on December 30, 1976, reaching only -10°C (14°F).
- The lowest overnight temperature recorded in December was -23°C (-9°F) (December 29, 1976).
- Peak precipitation in December occurred on December 22, 1991, when 56 mm (2.2 in) of precipitation was measured.
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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Interlaken in December
Winter clothing is essential for visiting Interlaken in December. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Prepare for significant rainfall with proper waterproof clothing and shoes. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Interlaken 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 Interlaken's climate page.
Temperature Rainfall Sunshine Humidity
See the full Interlaken climate overview or explore weather in Switzerland.
