Weather in Lucerne in August
August in Lucerne is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
In Switzerland, this is how Lucerne actually wears August, not how a country centroid would. Compared with July and January, August sits in the middle of Lucerne's year.
- Average temp
- 19°C
14–24°C
- Rainfall
- 119 mm
Showers likely
- Sunshine
- 6.8 h
hours per day
What to expect
Daytime
Mild afternoons in Lucerne are the prize in August. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
August is the wet side of the year in Lucerne. Days can be heavy. Plans that cannot survive rain are the wrong plans.
This is not a reason to skip Lucerne if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Rain jacket
A layer for cooler evenings
Where to stay in Lucerne
Dates are a starting point for August.
Travel guides for Lucerne
What to read before you book.
Average weather in Lucerne
TemperatureRainfall
Similar weather in August
Other destinations whose August averages sit close to this one.
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FAQs about Lucerne
Climate averages for Lucerne, 1991–2020.
The best time to visit Lucerne is between May and October, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 19°C.
June is the wettest month, with about 128 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
