Luzern weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Luzern in August. Check more long-term weather averages for Luzern in August before you book your next holiday to Switzerland in 2025/2026.

21
21°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
157
157 mm of monthly rainfall
7
7 (High) UV index

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The August weather guide for Switzerland (Luzern) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about Switzerland

How hot is it in Luzern in August?

Daytime temperatures usually reach 21°C in Luzern in August, falling to 12°C at night.

How sunny is it in Luzern in August?

There are normally 6 hours of bright sunshine each day in Luzern in August - that's 45% of daylight hours.

Does it rain in Luzern in August?

There are usually 17 days with some rain in Luzern in August and the average monthly rainfall is 157mm.

Luzern August sunrise & sunset times

Browse the sunrise and sunset times for Luzern in August 2025. Select a month to view Luzern sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:06	19:59
Saturday, 16th August 2025	05:25	19:36
Sunday, 31st August 2025	05:45	19:08

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Switzerland - quick facts
Flight time^✝	1.5 to 2 hours
Time difference	UK +1 hour
Language(s)	German, French, Italian
Currency	Swiss Franc
Electricity	C + J plug (230V)
Driving side	Right
Why visit?	Culture Nature Nightlife
Tourist info	Switzerland Tourism