UV Index
UV Index
Today's UV index in Silly, Belgium 
will be up to 5.9, 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: 2025-06-01
With a UV index reaching up to 5.9 in Silly, 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 Silly, Belgium, is generally low to moderate, rarely exceeding 6, with higher values in summer months. It remains safe for outdoor activities most of the year.
Silly experiences mild weather with cool winters and warm summers. Rainfall is quite evenly spread throughout the year, with no extreme dry or wet seasons. Temperature changes are moderate but noticeable between seasons.
Compared to nearby countries like France and the Netherlands, Silly's weather is similar, with gentle temperature swings and regular rainfall. It is less extreme than southern Europe but more variable than oceanic regions west of Belgium.
See the UV index hour by hour for Silly, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.