UV Index
UV Index
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Today's UV index in Namur, Belgium 
will be up to 4.1, 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 4.1 in Namur, 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 Namur, Belgium, fluctuates throughout the year. It typically reaches its peak in the summer months, with values often exceeding 6. During the winter, the UV index is much lower, rarely going above 2.
Namur experiences four distinct seasons. Spring, from March to May, is mild and often rainy. Summer, from June to August, is warm and sunny, with temperatures ranging from 20-25°C. Autumn, from September to November, is cool and colorful, while winter, from December to February, is cold and snowy.
Compared to its region and neighboring countries, Namur's weather is relatively temperate. It's warmer than neighboring Germany and the UK but cooler than France. The Ardennes region, to the south, is known for its colder, mountainous climate, making Namur's weather seem mild in comparison.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Namur. It's designed to provide you with a better understanding of the yearly weather and sun exposure.