UV Index
UV Index
Today's UV index in Jena, Germany 
will be up to 7.1, 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: 2025-07-18
With Jena's UV index reaching 7.1, 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 Jena, Germany, is usually low to moderate, ranging from 1 to 6 throughout the year. It peaks in the summer months, especially in June and July.
Jena experiences four seasons: cold winters with temperatures often near freezing, mild springs, warm summers with occasional rain, and cool autumns with falling leaves. Snow is common in winter but usually light.
Compared to other parts of Germany, Jena has a moderate climate, similar to nearby cities like Leipzig and Erfurt. It is cooler and rainier than southern Germany but warmer than northern regions like Hamburg. Neighboring countries have similar seasonal changes.
See the UV index hour by hour for Jena, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.