Verdict: Good month
Grindelwald Weather in August
August hits the sweet spot in Grindelwald — highs around 22°C (72°F), ideal for a full day on foot. It's also the wet side of the calendar: rain falls on about 18 days, so build flexibility into plans. Overall, August is a solid month to visit Grindelwald.
Average high
22°C / 72°F
Average low
12°C / 54°F
Rain days
~18
Precipitation
231 mm
What to pack for Grindelwald in August
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 18 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Grindelwald: Jul (22°C / 72°F) · Coolest: Jan (4°C / 39°F) · Wettest: May (~22 rain days)
4°
-1°
Jan
7°
1°
Feb
8°
1°
Mar
10°
2°
Apr
15°
6°
May
20°
10°
Jun
22°
12°
Jul
22°
12°
Aug
18°
10°
Sep
15°
7°
Oct
9°
3°
Nov
6°
0°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)