Opatija weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Excellent
Best time to visit: June – August
What is the weather like in Opatija in June?
In June, Opatija is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 21.1 °C – refreshing for a swim. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 7 days, adding up to 60 mm. All in all, June is an excellent month for a holiday in Opatija.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 15 h 38 min05:14 – 20:52
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 3 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 43 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Zagreb
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %59 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Opatija in June: quick answers
Is Opatija hot in June?
Warm rather than hot: in June, daytime highs in Opatija average 25 °C and nights cool to about 18 °C. On about 3 days the thermometer climbs to 30 °C or more.
Can you swim in Opatija in June?
Yes. In June the sea averages 21.1 °C – refreshing for a swim.
Does it rain much in Opatija in June?
Rain falls on about 7 days, adding up to 60 mm.
Opatija month by month
The whole year in OpatijaAll destinations: CroatiaWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences