UV Index
UV Index
Today's UV index in Velsen, Netherlands 
will be up to 5.5, 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 5.5 in Velsen, 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 Velsen is usually low to moderate, often ranging from 1 to 6 throughout the year, with higher values in summer months like June and July.
Weather in Velsen changes with the seasons. Winters are cold and wet, while summers are mild and sometimes sunny. Rain can fall any time, but it's more common in autumn and winter.
Compared to nearby countries like Germany and Belgium, Velsen has a similar mild climate with cool summers and mild winters. It is generally wetter and windier than southern Europe but less extreme than northern Scandinavia.
See the UV index hour by hour for Velsen, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.