December 9 sees frequent showers in Interlaken. Historical data shows a 45% chance of rain, so pack accordingly. Temperatures average 6°C. Expect a bustling atmosphere in Interlaken right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Interlaken
Currency
CHF
Fr. Swiss franc
Language
French
+3 more
Driving
Right side
Connect
As of March 2022 formobile devices, Inte...
Safety
Very High Safety
GPI: 1.357
Interlaken Weather Forecast for December 9
"Mild & Comfortable. Expect average highs of 6.1°C. 45% chance of snow."
What to Wear in Interlaken in December
Based on historical data for December 9, Interlaken typically experiences temperatures between -0.6°C and 6.1°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 45% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Interlaken
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
6.1°C
Daytime Peak
Average Low
-0.6°C
Nighttime Low
Feels Like
4.4°C
❄️ Minor difference
Snow Chance
45%
Avg 3mm if it snows
Snowfall
1.0 cm
~45% chance
Pressure
1018.8 hPa
High volatility
Interlaken Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
3.8°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Switzerland
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~537
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Interlaken
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:02
☀️ Noon
12:22
🌇 Sunset
16:42
⏱️ Daylight
8h 39m
Wind Speed
8 km/h
Light breeze
Sunshine
4.2 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Interlaken
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Interlaken
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Interlaken on December 9 averages 6.1°C with a 45% precipitation probability. Wedding/Outdoor Event Score: 34/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Interlaken Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 3
5.9°C • 33% rain
Score
39
December 16
5.6°C • 30% rain
Score
39
December 4
5.9°C • 34% rain
Score
38
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
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📍 Is Interlaken Worth Visiting on December 9?
Planning a trip to Interlaken on December 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 6.1°C with a 45% historical precipitation risk.
✈️ Travel Logistics: Approximately 537 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Switzerland, including COVID-19.
📊 Historical Extremes: The hottest December 9 recorded in the last 30 years saw temperatures hit 13.8°C in 2025, while the coldest dropped to -2.6°C in 2017.