UV Index
UV Index
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Today's UV index in Brussels, Belgium 
will be up to 4.1, 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 4.1 in Brussels, 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 Brussels, Belgium, typically ranges from low to moderate. In winter, the index often stays below 2, while during summer it can reach up to 6.
Brussels has four distinct seasons. Spring, from March to May, is mild and occasionally rainy. Summers, from June to August, are comfortable with occasional heatwaves. Autumn, from September to November, is often crisp and colorful. Winters, from December to February, are cold and can include snowfall.
Compared to its region and neighboring countries, Brussels' climate is moderate. It is situated in the middle latitudes of Europe, leading to a milder climate than nearby Nordic countries and a somewhat sunnier disposition than its British and Belgian coastal counterparts.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Brussels. It's designed to provide you with a better understanding of the yearly weather and sun exposure.