UV Index
UV Index
Today's UV index in Altenau, Germany 
will be up to 7.7, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-21
With Altenau's UV index reaching 7.7, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in Altenau, Germany, usually ranges from low to moderate, rarely reaching high levels due to its northern location and elevation. This means the sun's ultraviolet rays are generally not very strong there.
Altenau experiences distinct seasons with cold, snowy winters and mild summers. Spring and autumn are cool and often rainy, reflecting the town’s mountainous climate and higher altitude in the Harz region.
Compared to other parts of Germany and neighboring countries like Poland and the Czech Republic, Altenau tends to be cooler and wetter, especially in winter, due to its elevation. Nearby lowland areas typically have warmer and less snowy winters.
See the UV index hour by hour for Altenau, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.