UV Index
UV Index
Today's UV index in Prague, Czechia 
will be up to 5.8, 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: 2025-05-10
With a UV index reaching up to 5.8 in Prague, 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.
Prague's UV index varies throughout the year, reaching higher levels around 5 to 7 in summer months like June and July, and dropping to low levels around 0 to 2 during winter months like December and January. The seasons in Prague are distinct with cold winters often below freezing, mild springs, warm summers with temperatures between 20-30°C, and cool autumns featuring colorful foliage and moderate rainfall. Compared to neighboring countries like Germany and Austria, Prague experiences similar seasonal changes, though it can be slightly colder in winter and warmer in summer due to its inland location in Central Europe.
See the UV index hour by hour for Prague, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.