Verdict: Fair month
Wengen Weather in May
May is mild-to-cool in Wengen, topping out near 13°C (55°F) — comfortable with a layer on. It's also the wet side of the calendar: rain falls on about 23 days, so build flexibility into plans. May is workable in Wengen if your dates are fixed — just plan around the conditions.
Average high
13°C / 55°F
Average low
5°C / 41°F
Rain days
~23
Precipitation
253 mm
What to pack for Wengen in May
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 23 days
- Quick-dry shoes — downpours are short but heavy
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in Wengen: Jul (20°C / 68°F) · Coolest: Jan (3°C / 37°F) · Wettest: May (~23 rain days)
3°
-4°
Jan
6°
-2°
Feb
7°
-1°
Mar
10°
1°
Apr
13°
5°
May
18°
10°
Jun
20°
12°
Jul
20°
12°
Aug
16°
9°
Sep
14°
6°
Oct
8°
1°
Nov
4°
-2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)