Luxembourg weather in August 2025

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Luxembourg in August. Check more long-term weather averages for Luxembourg in August before you book your next holiday to Luxembourg in 2025/2026.

  • 22°C maximum daytime temperature in August in Luxembourg22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Luxembourg13
    13 days with some rainfall
  • 12°C minimum night-time temperature in August in Luxembourg12
    12°C min night temperature
  • 14 hours of daylight per day in August in Luxembourg14
    14 hours of daylight per day
  • No heat & humidity in August in Luxembourg0
    No heat & humidity
  • 70 mm monthly rainfall in August in Luxembourg70
    70 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Luxembourg6
    6 (High) UV index

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The August weather guide for Luxembourg 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)

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More about Luxembourg

How hot is it in Luxembourg in August?

Daytime temperatures usually reach 22°C in Luxembourg in August, falling to 12°C at night.

How sunny is it in Luxembourg in August?

There are normally 7 hours of bright sunshine each day in Luxembourg in August - that's 46% of daylight hours.

Does it rain in Luxembourg in August?

There are usually 13 days with some rain in Luxembourg in August and the average monthly rainfall is 70mm.

Luxembourg August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:06 20:16
Saturday, 16th August 2025 05:28 19:51
Sunday, 31st August 2025 05:50 19:21

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