Verdict: Fair month
Grindelwald Weather in May
May is mild-to-cool in Grindelwald, topping out near 15°C (59°F) — comfortable with a layer on. It's also the wet side of the calendar: rain falls on about 22 days, so build flexibility into plans. May is workable in Grindelwald if your dates are fixed — just plan around the conditions.
Average high
15°C / 59°F
Average low
6°C / 43°F
Rain days
~22
Precipitation
233 mm
What to pack for Grindelwald in May
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 22 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
May 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)