Switzerland Interlaken Weather in January — Climate Guide
January in Interlaken is moderate
Interlaken Weather in January — Quick Answer
As of 2026- Avg temp
- 3° / -3°
- Rainfall
- 75mm · 10 days
- Crowds
- Busy
As of 2026, Interlaken in January averages a high of 3°C and low of -3°C with 75mm of rain over about 10 days. Cold winter + snow. Heavy coat + thermal layers + waterproof boots + gloves.
January is moderate for Interlaken.
Ski season peak. Lauberhorn World Cup mid-January (Wengen). Mountain railways operate with snow. Jungfraujoch -15°C.
Travel score
Interlaken January Weather Stats
Avg High
3°C
Avg Low
-3°C
Rainy Days
10
75mm total
Sunshine
3h
Daily avg
Humidity
80%
high
UV Index
1
Low
Wind
10 km/h
Gusts 30
Sea Temp
4°C
no swimming
Crowds
Busy
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
22 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
1°C
Nighttime
-7°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 30 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- Ski + snowboard peak
- Lauberhorn World Cup
- Christmas/NYE atmosphere
- Snow-covered Alps photogenic
Cons
- -3 to 3°C valley + colder mountains
- Daylight 9h
- Many trails closed
- Jungfraujoch icy
January Events & Festivals
- Ski season peak
- Lauberhorn World Cup (Wengen)
Interlaken in January — Full Picture
Ski season peak. Lauberhorn World Cup mid-January (Wengen). Mountain railways operate with snow. Jungfraujoch -15°C.
What to Wear & What to Pack
Cold winter + snow. Heavy coat + thermal layers + waterproof boots + gloves.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
14°C
4.3°C
12.7/mo
Summer (Jun·Jul·Aug)
23.7°C
12°C
13/mo
Autumn (Sep·Oct·Nov)
13.7°C
5°C
11/mo
Winter (Dec·Jan·Feb)
Current4°C
-2.3°C
9.7/mo
Interlaken Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 3° | -3° | 10d·75mm | 3h | 80% | 1 | Busy | Peak | |
| 5° | -2° | 9d·65mm | 4h | 78% | 2 | Busy | Peak | |
| 10° | 1° | 11d·80mm | 5h | 75% | 3 | Moderate | Shoulder | |
| 14° | 4° | 13d·100mm | 6h | 73% | 5 | Quiet | Low season | |
| 18° | 8° | 14d·130mm | 7h | 70% | 6 | Moderate | Shoulder | |
| June (Best) | 22° | 11° | 14d·140mm | 7h | 72% | 8 | Busy | Peak |
| July (Best) | 25° | 13° | 12d·130mm | 8h | 72% | 9 | Very busy | Peak |
| August (Best) | 24° | 12° | 13d·130mm | 7h | 75% | 8 | Very busy | Peak |
| September (Best) | 20° | 10° | 11d·100mm | 6h | 78% | 6 | Busy | Peak |
| 14° | 5° | 10d·85mm | 5h | 80% | 4 | Moderate | Shoulder | |
| 7° | 0° | 12d·100mm | 3h | 80% | 2 | Quiet | Low season | |
| 4° | -2° | 10d·75mm | 3h | 80% | 1 | Busy | Peak |
View Other Months
Interlaken January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Interlaken?
Interlaken in January is moderate. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Interlaken in January?
Interlaken January averages a high of 3°C and a low of -3°C.
Does it rain much in Interlaken in January?
Interlaken January averages 75mm of rainfall over about 10 rainy days.
What should I wear in Interlaken in January?
Cold winter + snow. Heavy coat + thermal layers + waterproof boots + gloves.
What time are sunrise and sunset in Interlaken in January?
Interlaken January sunrise is 08:00 and sunset is 17:00, with 9h of daylight.
What's the air quality like in Interlaken in January?
Interlaken January air quality (AQI) averages 35, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Interlaken in January?
In January, Interlaken is great for Skiing Grindelwald/Wengen/Mürren, Lauberhorn World Cup, Jungfraujoch (icy).
Is January peak season in Interlaken?
Interlaken January crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Interlaken
View Other Months
Planning a January trip to Interlaken?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.