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UV Index in Wiltz

UV index


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Today's UV index in Wiltz, Luxembourg Luxembourg will be up to 4.3, 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 4.3 in Wiltz, 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.

Wiltz's UV Index

The UV index in Wiltz, Luxembourg can reach high levels during the summer months, with a maximum index of 8. However, in the winter, the UV index is usually very low, rarely exceeding 1.

Weather Seasons

UV index

Wiltz experiences four distinct seasons. Spring brings mild temperatures and occasional rain, while summer is typically warm with periods of hot weather. Autumn is characterized by cooler temperatures and colorful foliage, and winter is cold with potential snowfall.

Wiltz's Climate

Compared to its region and neighboring countries, Wiltz has a more moderate climate. It is generally milder than nearby Germany and Belgium, which can experience more extreme temperatures and weather conditions. The climate in Wiltz is influenced by its location in a valley, which can lead to unique weather patterns.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Wiltz. 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 Wiltz (Luxembourg) 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.