UV Index
UV Index
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Today's UV index in Bratislava, Slovakia 
will be up to 4.6, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 4.6 in Bratislava, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Bratislava, Slovakia, typically ranges from low to high, with values rarely exceeding 8. This makes it important for visitors to protect their skin during the peak UV hours of 10 am to 4 pm.
Bratislava experiences four distinct seasons, each with its unique weather patterns. Winters are cold and snowy, with temperatures often dropping below freezing. Spring brings milder temperatures and blooming flowers, while summers are warm and sunny, with occasional heatwaves. Autumns are crisp and cool, with vibrant foliage.
Compared to its region and neighboring countries, Bratislava's weather is relatively mild. Its location in the Danube River basin shields it from harsh winds and extreme temperatures. Winters are milder than those in nearby mountains, and summers are cooler than in southern neighboring countries. Overall, Bratislava enjoys a pleasant and varied climate.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Bratislava. It's designed to provide you with a better understanding of the yearly weather and sun exposure.