Switzerland · 46°41′N 7°52′E

Swiss Alps (Interlaken)

Lakes, cable cars and big mountain hikes or skiing.

Good for: Nature, Adventure, Snow, Doing nothing
Rough daily spend: around $250 per person mid-range, not counting getting there (our estimate; it varies a lot)
Mildest months: August is warmest, February is driest

Plan a Swiss Alps (Interlaken) trip with friends

Best time to visit Swiss Alps (Interlaken)

Warmest in August (around 25° by day), coolest in January (6° by day, 1° at night). February has the fewest wet days (13).

Average weather by month in Swiss Alps (Interlaken)
Month	High	Low	Wet days	Rain	Sun / day
Jan	6°	1°	17	156 mm	5.6 h
Feb	9°	2°	13	107 mm	6.9 h
Mar	11°	3°	15	119 mm	8.1 h
Apr	15°	5°	15	145 mm	9.9 h
May	18°	9°	20	212 mm	9.8 h
Jun	23°	14°	17	169 mm	11.7 h
Jul	24°	16°	19	184 mm	12.2 h
Aug	25°	16°	15	178 mm	10.9 h
Sep	20°	13°	15	147 mm	9.3 h
Oct	17°	10°	13	143 mm	7.7 h
Nov	11°	5°	14	139 mm	5.8 h
Dec	8°	2°	14	144 mm	5.3 h

Averages for 2016–2025 from the Open-Meteo historical weather archive (CC BY 4.0), for the point at 46°41′N 7°52′E. Wet day = 1 mm or more. Highlighted months are mild (18–27° highs) and fairly dry.

What to pack for Swiss Alps (Interlaken)

For four nights, based on the weather above. Every trip also needs the basics: documents, chargers, toiletries and any medication.

August

4 × T-shirts or vests
2 × shorts or skirts
Sunglasses
Sun hat

January

4 × tops
2 × trousers or jeans
Warm jumper or fleece
Insulated coat
Hat, gloves and scarf
Thermal base layer
Ski jacket and trousers
Goggles
Warm waterproof gloves
Lip balm with SPF

Either way

5 × underwear
5 × socks
Something to sleep in
Comfortable walking shoes
Waterproof jacket
Compact umbrella
Sunscreen
Hiking boots or trail shoes
Day pack
Refillable water bottle
Offline map downloaded
Snacks for the trail
Small cross-body bag
Transit card or app set up

Going with a group? The planner builds a shared list where each person ticks their own things and claims the shared ones.

Going with friends?

One link for the group: find the days you’re all free, vote on what to do, get a day-by-day route and a shared packing list. No sign-up.

Plan Swiss Alps (Interlaken)