UV Index
UV Index
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Today's UV index in Diekirch, Luxembourg 
will be up to 4.2, 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 4.2 in Diekirch, 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.
Diekirch, Luxembourg has a moderate UV index, which can reach high levels during the summer months. On average, the UV index in Diekirch is lowest in winter, with the highest readings in June and July.
Diekirch experiences four distinct seasons with varying weather patterns. Spring brings mild temperatures, while summer is typically warm with occasional rain. Autumn sees cooler weather and vibrant fall foliage, and winter brings cold temperatures, snowfall, and ice.
Compared to its region and neighboring countries, Diekirch's climate is moderately temperate with relatively stable temperature fluctuations. It experiences milder winters compared to nearby Belgium and Germany, while being slightly cooler during the summer than France's Lorraine region, which borders Luxembourg. Diekirch has more precipitation throughout the year compared to its neighbors in the region.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Diekirch. It's designed to provide you with a better understanding of the yearly weather and sun exposure.