Opatija, in Primorje-Gorski Kotar, Croatia, is home to roughly 5,700 people in the Europe/Zagreb time zone at 45.3°N latitude.
In 2025, Opatija recorded an average annual temperature of 59°F. The hottest temperatures reached 97°F in August; the coolest were 28°F in February. Total precipitation for the year was 100 inches, with the wettest month being March. Snowfall for the year totaled approximately 2 inches.
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