Opatija weather in July 2026

Expect daytime maximum temperatures of 25°C in Opatija, Croatia in July based on long-term weather averages. There are 9 hours of sunshine per day on average with 13 days with some rainfall and typically 88 mm of rainfall in the month.

  • 25°C maximum daytime temperature in July in Opatija25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in July in Opatija13
    13 days with some rainfall
  • 13°C minimum night-time temperature in July in Opatija13
    13°C min night temperature
  • 15 hours of daylight per day in July in Opatija15
    15 hours of daylight per day
  • Low heat & humidity in July in OpatijaL
    Low heat & humidity
  • 88 mm monthly rainfall in July in Opatija88
    88 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Opatija8
    8 (Very High) UV index
  • 23°C sea temperature in July in Opatija23
    23°C sea temperature

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The July weather guide for Croatia (Opatija) 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 Opatija in July?

Daytime temperatures usually reach 25°C in Opatija in July with low heat and humidity, falling to 13°C at night.

How sunny is it in Opatija in July?

There are normally 9 hours of bright sunshine each day in Opatija in July - that's 61% of daylight hours.

How warm is the sea around Opatija in July?

The average sea temperature around Opatija in July is 23°C.

Does it rain in Opatija in July?

There are usually 13 days with some rain in Opatija in July and the average monthly rainfall is 88mm.

Opatija July sunrise & sunset times

Browse the sunrise and sunset times for Opatija in July 2026. Select a month to view Opatija sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st July 2026 04:19 19:55
Thursday, 16th July 2026 04:30 19:47
Friday, 31st July 2026 04:46 19:32

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