UV Index
UV Index
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Today's UV index in Merl, Luxembourg 
will be up to 4.6, 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 4.6 in Merl, 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 Merl, Luxembourg can reach high levels during the summer months, with a maximum index of 8. It is important to be aware of the UV index and take necessary precautions to protect yourself from harmful UV rays.
Merl, Luxembourg experiences four distinct seasons throughout the year. Spring brings mild temperatures and blooming flowers, while summer is characterized by warm weather and plenty of sunshine. Autumn sees the leaves change color and cooler temperatures, and winter is often cold and snowy.
Compared to its region and neighboring countries, Merl has a relatively mild climate. It is situated inland, which means it does not experience the same maritime influences as coastal cities. However, it is still subject to the same seasonal changes as the rest of western Europe. Winters can be cold, but they are generally milder than in nearby Germany and Belgium. Summers are warm, but not as hot as in southern France or Italy.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Merl. It's designed to provide you with a better understanding of the yearly weather and sun exposure.