Rijeka weather in August 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Rijeka in August. Check more long-term weather averages for Rijeka in August before you book your next holiday to Croatia in 2025/2026.

  • 24°C maximum daytime temperature in August in Rijeka24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in August in Rijeka13
    13 days with some rainfall
  • 11°C minimum night-time temperature in August in Rijeka11
    11°C min night temperature
  • 14 hours of daylight per day in August in Rijeka14
    14 hours of daylight per day
  • Low heat & humidity in August in RijekaL
    Low heat & humidity
  • 126 mm monthly rainfall in August in Rijeka126
    126 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Rijeka7
    7 (High) UV index
  • 24°C sea temperature in August in Rijeka24
    24°C sea temperature

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The August weather guide for Croatia (Rijeka) 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 Croatia

How hot is it in Rijeka in August?

Daytime temperatures usually reach 24°C in Rijeka in August, falling to 11°C at night.

How sunny is it in Rijeka in August?

There are normally 8 hours of bright sunshine each day in Rijeka in August - that's 59% of daylight hours.

How warm is the sea around Rijeka in August?

The average sea temperature around Rijeka in August is 24°C.

Does it rain in Rijeka in August?

There are usually 13 days with some rain in Rijeka in August and the average monthly rainfall is 126mm.

Rijeka August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:47 19:30
Saturday, 16th August 2025 05:05 19:08
Sunday, 31st August 2025 05:23 18:41

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