Verdict: Excellent month
Montreux Weather in August
August hits the sweet spot in Montreux — highs around 26°C (79°F), ideal for a full day on foot. Expect showers on roughly 13 days of the month — rarely trip-ruining, worth planning around. Overall, August is one of the best months of the year to be in Montreux.
Average high
26°C / 79°F
Average low
17°C / 63°F
Rain days
~13
Precipitation
152 mm
What to pack for Montreux in August
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 13 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Montreux: Aug (26°C / 79°F) · Coolest: Jan (7°C / 45°F) · Wettest: Jun (~18 rain days)
7°
2°
Jan
10°
2°
Feb
12°
3°
Mar
15°
5°
Apr
19°
10°
May
23°
14°
Jun
25°
16°
Jul
26°
17°
Aug
21°
14°
Sep
18°
10°
Oct
12°
6°
Nov
8°
3°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)