30YearWeather
Interlaken, January 20
Interlaken street view during January
Historical Weather Analysis

Interlaken Weather on January 20 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

4.8°C

High

-2.7°C

Low

34%

Rain

❄️ Feels like 3°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE

January 20 is generally a great time to visit Interlaken. While there is a slight chance of rain (34%), showers are usually brief. Expect comfortable 5°C weather. Take advantage of the off-peak calm in Interlaken to see the sights without the usual crowds.

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 January 20

"Cold & Crisp. Expect average highs of 4.8°C. 34% chance of snow."

What to Wear in Interlaken in January

Based on historical data for January 20, Interlaken typically experiences temperatures between -2.7°C and 4.8°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 34% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Interlaken

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Umbrella

Average High

extreme-hot

4.8°C

Daytime Peak

Average Low

extreme-cold

-2.7°C

Nighttime Low

Feels Like

partly-cloudy-day

3°C

❄️ Minor difference

Snow Chance

snow

34%

Avg 2.3mm if it snows

Snowfall

snow

0.9 cm

~34% chance

Pressure

pressure

1020.1 hPa

High volatility

Interlaken Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

93%Highly Predictable

Based on 10 years of data

Temperature
±3.0°CModerate
Precipitation
17-51%Predictable

🎯 This date historically delivers consistent weather 93% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.3Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 267 min to burn

Type III-IV

🟡 401 min to burn

Type V-VI

🟢 668 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

40Poor
TemperatureCold
HumidityMuggy
WindLight Breeze

Dew Point

2°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

Quiet

29/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~156

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Interlaken

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

08:06

☀️ Noon

12:40

🌇 Sunset

17:14

⏱️ Daylight

9h 7m

Golden Hour
Morning08:06 - 08:54
16:26 - 17:14Evening

Wind Speed

wind

7.7 km/h

Light breeze

Sunshine

clear-day

5.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

82%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Interlaken

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Interlaken

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

73/100

Tourist Crowds

🟢 Moderate

40/100

Price Level

💰💰 Moderate

50/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1020.1 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
31AQI
Good
PM2.5 Concentration4.9 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):22
In Jan (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Interlaken on January 20 averages 4.8°C with a 34% precipitation probability. Wedding/Outdoor Event Score: 31/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Interlaken Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2021
9.4°C
Coldest
2023
-7.3°C
Rainiest
2022
13.3mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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📍 Is Interlaken Worth Visiting on January 20?

Planning a trip to Interlaken on January 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 4.8°C with a 34% historical precipitation risk.

✈️ Travel Logistics: Approximately 156 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 January 20 recorded in the last 30 years saw temperatures hit 9.4°C in 2021, while the coldest dropped to -7.3°C in 2023.

Interlaken Weather FAQ