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UV Index in Leuven

UV index


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Today's UV index in Leuven, Belgium 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.


Today's tips

With a UV index reaching up to 4.1 in Leuven, 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.

Leuven's UV Index

The UV index in Leuven, Belgium, averages 3 in summer, considered low, and 1 in winter, indicating little to no UV exposure.

Weather Seasons

UV index

Leuven has four distinct seasons. Spring and autumn are mild, while winters are chilly with occasional snowfall and summers are warm but not hot.

Leuven's Climate

Compared to its region and neighboring countries, Leuven is relatively moderate in temperature. Its rainfall is higher than some neighboring countries, but lower than parts of its own region, like the coast.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Leuven. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Leuven (Belgium) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.