Verdict: Good month
Lucerne Weather in August
August hits the sweet spot in Lucerne — highs around 24°C (75°F), ideal for a full day on foot. Expect showers on roughly 14 days of the month — rarely trip-ruining, worth planning around. Overall, August is a solid month to visit Lucerne.
Average high
24°C / 75°F
Average low
16°C / 61°F
Rain days
~14
Precipitation
157 mm
What to pack for Lucerne in August
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 14 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August 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)