UV Index
UV Index
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Today's UV index in Ljubljana, Slovenia 
will be up to 5.1, 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 5.1 in Ljubljana, 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 Ljubljana, Slovenia, averages a low to moderate level, ranging from 2 in winter to 7 in summer. This is generally lower than many other European cities, providing some natural protection against harmful UV rays.
Ljubljana experiences four distinct seasons, each offering unique weather conditions. Winters are cold and snowy, while spring brings mild temperatures and blooming flowers. Summer is pleasantly warm with occasional rain showers, and autumn sees cooler weather and colorful foliage.
Compared to its region and neighboring countries, Ljubljana's climate is relatively mild. It receives less rainfall and snow than other parts of Slovenia, and its temperatures are generally warmer than neighboring Austria and Germany, creating a more enjoyable year-round climate.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Ljubljana. It's designed to provide you with a better understanding of the yearly weather and sun exposure.