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Opatija Climate by Month

The graphs below provide an overview of the climate in Opatija (Istria), Croatia. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Opatija

Thu   Jul 18
34°C | 23°C
E 11 km/h
almost clear and no rain

almost clear and no rain

Fri   Jul 19
34°C | 21°C
E 11 km/h
almost clear and no rain

almost clear and no rain

Sat   Jul 20
31°C | 22°C
N 11 km/h
4.3 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Opatija in Croatia

Opatija knows a soft and mild mediterranean sea climate. Keep in mind that the precipitation is higher than in the rest of Croatia.

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is the rainy season in Opatija?
    Rainy season in Opatija occurs in the months of February, September, October, November and December.
  • Which is the warmest month in Opatija?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Opatija?
    The coldest month is January with an average maximum temperature of 7°C.
  • Which is the wettest month in Opatija?
    November tops the wettest month list with 250 mm of rainfall.
  • Which is the driest month in Opatija?
    July is the driest month with 101 mm of precipitation.
  • Which is the sunniest month in Opatija?
    July is the sunniest month with an average of 298 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.