UV Index
UV Index
Today's UV index in Luxembourg, Luxembourg 
will be up to 5.8, 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: 2025-05-10
With a UV index reaching up to 5.8 in Luxembourg, 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.
Luxembourg has a moderate UV index, usually ranging from low to moderate levels throughout the year, with higher values in summer months and lower in winter.
The weather in Luxembourg changes with the seasons: winters are cold with occasional snow, springs are mild and rainy, summers are warm and sometimes humid, and autumns are cool and often wet.
Compared to nearby countries like Belgium, France, and Germany, Luxembourg's weather is quite similar, with mild temperatures and regular rainfall due to its central European location and small size.
See the UV index hour by hour for Luxembourg, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.