Switzerland · Valais · August

Valais in Augusthow the month reads

August is a mixed month — worth planning against specific weeks inside Switzerland, with warmer than the yearly mean by 10.6°C. The safety bulletins below apply.

Rank: 8 of 12
Score: 25/100

August match

25/100

Free-tier default preferences.

What’s open · August

Things to do in Valais in August

At its best
Furka, Grimsel and Susten passes
the driving and hiking season for the high passes
Sources: planthealps.com, the-ski-guru.com

Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.

Temperature
17°C
+10.6°C vs. yearly mean
Month rank
8 of 12
for Valais
Best months
February · January · March
highest regional score

12-month temperature · Valais

August in context

Temperature°C

View data table

Month	Average daytime high (°C)
January	-4.4
February	-0.7
March	1.6
April	5.2
May	9.0
June	15.5
July	17.6
August	17.3
September	12.9
October	8.3
November	0.9
December	-3.3

Safety · 6 governments

What the governments say about Switzerland

Combined advisory · most-cautious-wins

Exercise normal precautions

Highest level across 6 governments · Advisory last changed 2026-10-18

See breakdown by country