Rijeka weather in May 2025

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rijeka in May. Check more long-term weather averages for Rijeka in May before you book your next holiday to Croatia in 2025/2026.

  • 18°C maximum daytime temperature in May in Rijeka18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Rijeka16
    16 days with some rainfall
  • 7°C minimum night-time temperature in May in Rijeka7
    7°C min night temperature
  • 15 hours of daylight per day in May in Rijeka15
    15 hours of daylight per day
  • No heat & humidity in May in Rijeka0
    No heat & humidity
  • 119 mm monthly rainfall in May in Rijeka119
    119 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Rijeka7
    7 (High) UV index
  • 17°C sea temperature in May in Rijeka17
    17°C sea temperature

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The May 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 May?

Daytime temperatures usually reach 18°C in Rijeka in May, falling to 7°C at night.

How sunny is it in Rijeka in May?

There are normally 7 hours of bright sunshine each day in Rijeka in May - that's 50% of daylight hours.

How warm is the sea around Rijeka in May?

The average sea temperature around Rijeka in May is 17°C.

Does it rain in Rijeka in May?

There are usually 16 days with some rain in Rijeka in May and the average monthly rainfall is 119mm.

Rijeka May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:51 19:09
Friday, 16th May 2025 04:31 19:27
Saturday, 31st May 2025 04:18 19:42

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