Opatija weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Excellent
Best time to visit: June – August
What is the weather like in Opatija in July?
In July, Opatija is hot: daytime highs average 28 °C, and nights cool down to about 20 °C. The sea averages 23.5 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain falls on about 7 days, adding up to 59 mm. On about 8 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Opatija.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 15 h 21 min05:28 – 20:49
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 34 %on averageAll months
- Hot days
- 8 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 %93 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Opatija in July: quick answers
Is Opatija hot in July?
Yes. In July, Opatija is hot: daytime highs average 28 °C and nights stay around 20 °C. On about 8 days the thermometer climbs to 30 °C or more.
Can you swim in Opatija in July?
Yes. In July the sea averages 23.5 °C – pleasant for swimming.
Does it rain much in Opatija in July?
Rain falls on about 7 days, adding up to 59 mm.
Opatija month by month
The whole year in OpatijaAll destinations: CroatiaWhere to go in JulySea temperature in July
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