UV Index
UV Index
Today's UV index in Clausthal, Germany 
will be up to 5.4, 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: 2025-05-10
With a UV index reaching up to 5.4 in Clausthal, 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.
Clausthal, Germany, experiences moderate UV index levels that vary with seasons, typically ranging from low in winter to moderate in summer months. The UV index rarely reaches extreme values, staying mostly safe for outdoor activities.
The area has cool winters with snowfall and mild to warm summers. Rainfall is spread throughout the year, with spring and autumn being wetter. Snow is common in winter due to its elevation in the Harz Mountains.
Compared to other parts of Germany, Clausthal is cooler and wetter, especially in winter. Neighboring countries like the Netherlands and Poland tend to have milder winters and slightly higher UV indexes during summer. The Harz Mountains create a unique microclimate different from the surrounding lowlands.
See the UV index hour by hour for Clausthal, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.