Verdict: Good month
Lucerne Weather in May
May hits the sweet spot in Lucerne — highs around 18°C (64°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, May is a solid month to visit Lucerne.
Average high
18°C / 64°F
Average low
9°C / 48°F
Rain days
~18
Precipitation
164 mm
What to pack for Lucerne in May
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 18 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in Lucerne: Jul (25°C / 77°F) · Coolest: Jan (5°C / 41°F) · Wettest: May (~18 rain days)
5°
0°
Jan
9°
1°
Feb
11°
2°
Mar
14°
4°
Apr
18°
9°
May
23°
14°
Jun
25°
16°
Jul
24°
16°
Aug
21°
13°
Sep
16°
9°
Oct
9°
4°
Nov
6°
0°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)