UV Index
UV Index
Today's UV index in Leuven, Belgium 
will be up to 5.4, 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: 2025-05-09
With a UV index reaching up to 5.4 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 is generally low to moderate, ranging from about 0 in winter to 6 in summer. It rarely reaches very high levels, reflecting Belgium's northern location and frequent cloud cover.
Leuven has mild summers and cool winters. Rain can happen all year, with slightly drier periods in spring and early autumn. Snow may fall in winter but usually melts quickly. The weather changes often due to Atlantic winds.
Compared to nearby countries like France and Germany, Leuven usually has cooler summers and milder winters. It’s wetter than the Netherlands to the north, but less rainy than coastal Belgium and western France. The climate is typical for northwest Europe.
See the UV index hour by hour for Leuven, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.