Opatija weather in October 2025

Expect 61°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Opatija in October. Check more long-term weather averages for Opatija in October before you book your next holiday to Croatia in 2025/2026.

  • 61°F maximum daytime temperature in October in Opatija61
    61°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in October in Opatija13
    13 days with some rainfall
  • 45°F minimum night-time temperature in October in Opatija45
    45°F min night temperature
  • 11 hours of daylight per day in October in Opatija11
    11 hours of daylight per day
  • No heat & humidity in October in Opatija0
    No heat & humidity
  • 5.8 inches monthly rainfall in October in Opatija5.8
    5.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Opatija3
    3 (Moderate) UV index
  • 64°F sea temperature in October in Opatija64
    64°F sea temperature

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The October 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)  |  Imperial (°F)

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More about Croatia

How warm is it in Opatija in October?

Daytime temperatures usually reach 61°F in Opatija in October, falling to 45°F at night.

How sunny is it in Opatija in October?

There are normally 5 hours of bright sunshine each day in Opatija in October - that's 47% of daylight hours.

How warm is the sea around Opatija in October?

The average sea temperature around Opatija in October is 64°F.

Does it rain in Opatija in October?

There are usually 13 days with some rain in Opatija in October and the average monthly rainfall is 5.8 inches.

Opatija October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:01 17:43
Thursday, 16th October 2025 06:20 17:16
Friday, 31st October 2025 06:41 16:52

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