Opatija weather in April 2025

Expect 13°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Opatija in April. Check more long-term weather averages for Opatija in April before you book your next holiday to Croatia in 2025/2026.

  • 13°C maximum daytime temperature in April in Opatija13
    13°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in April in Opatija16
    16 days with some rainfall
  • 4°C minimum night-time temperature in April in Opatija4
    4°C min night temperature
  • 14 hours of daylight per day in April in Opatija14
    14 hours of daylight per day
  • No heat & humidity in April in Opatija0
    No heat & humidity
  • 118 mm monthly rainfall in April in Opatija118
    118 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Opatija5
    5 (Moderate) UV index
  • 12°C sea temperature in April in Opatija12
    12°C sea temperature

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The April 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 warm is it in Opatija in April?

Daytime temperatures usually reach 13°C in Opatija in April, falling to 4°C at night.

How sunny is it in Opatija in April?

There are normally 6 hours of bright sunshine each day in Opatija in April - that's 45% of daylight hours.

How warm is the sea around Opatija in April?

The average sea temperature around Opatija in April is 12°C.

Does it rain in Opatija in April?

There are usually 16 days with some rain in Opatija in April and the average monthly rainfall is 118mm.

Opatija April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:43 18:31
Tuesday, 15th April 2025 05:17 18:49
Wednesday, 30th April 2025 04:53 19:08

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