UV Index
UV Index
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Today's UV index in Prague, Czechia 
will be up to 5.2, 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 5.2 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.
The UV index in Prague, Czechia, typically ranges from low to high. In winter, it stays low, while during summer it can reach moderate to high levels.
Prague experiences four distinct seasons. Spring is mild and wet, summer is warm with occasional showers, autumn is crisp and colorful, and winter is cold and snowy.
Compared to its region and neighboring countries, Prague's climate is moderate. Warmer than nearby mountains but cooler than lowlands in Central and Southern Europe, it has a mix of continental and maritime influences.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Prague. It's designed to provide you with a better understanding of the yearly weather and sun exposure.