Brno weather in August 2025

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Brno in August. Check more long-term weather averages for Brno in August before you book your next holiday to Czech Republic in 2025/2026.

  • 23°C maximum daytime temperature in August in Brno23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Brno13
    13 days with some rainfall
  • 12°C minimum night-time temperature in August in Brno12
    12°C min night temperature
  • 14 hours of daylight per day in August in Brno14
    14 hours of daylight per day
  • No heat & humidity in August in Brno0
    No heat & humidity
  • 61 mm monthly rainfall in August in Brno61
    61 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Brno6
    6 (High) UV index

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The August weather guide for Czech Republic (Brno) 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 the Czech Republic

How hot is it in Brno in August?

Daytime temperatures usually reach 23°C in Brno in August, falling to 12°C at night.

How sunny is it in Brno in August?

There are normally 7 hours of bright sunshine each day in Brno in August - that's 48% of daylight hours.

Does it rain in Brno in August?

There are usually 13 days with some rain in Brno in August and the average monthly rainfall is 61mm.

Brno August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:26 19:33
Saturday, 16th August 2025 04:47 19:08
Sunday, 31st August 2025 05:08 18:38

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