UV Index
UV Index
Today's UV index in Zagreb, Croatia 
will be up to 8, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-21
With a UV index of 8 in Zagreb, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
Zagreb's UV index is generally moderate to high in summer, often reaching around 7 to 9, and lower in winter, usually between 1 and 3. Spring and autumn have moderate UV levels.
Seasonally, Zagreb experiences warm summers with temperatures averaging 25°C (77°F), cold winters often below freezing, and mild springs and autumns with frequent rain and occasional snow in winter.
Compared to the wider region, Zagreb is cooler than the Adriatic coast of Croatia and has less snow than mountainous inland areas. Neighboring countries like Slovenia have similar weather, while Hungary tends to be drier and Hungary's capital, Budapest, usually has hotter summers.
See the UV index hour by hour for Zagreb, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.