UV Index
UV Index
Today's UV index in Vienna, Austria 
will be up to 5.9, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With a UV index reaching up to 5.9 in Vienna, 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.
Vienna's UV index is usually low to moderate, ranging from 1 in winter up to around 7 or 8 in summer during peak sunlight hours. The highest UV levels occur between May and August.
Vienna has four distinct seasons: cold winters often with snow, mild springs, warm summers with occasional heatwaves, and colorful, cool autumns. Rainfall is spread throughout the year but slightly wetter in summer.
Compared to nearby countries like Germany and the Czech Republic, Vienna tends to be a bit warmer and sunnier. Its weather is less rainy than coastal areas but more variable than southern European countries like Italy or Spain.
See the UV index hour by hour for Vienna, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.