Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Guttenberg, Germany, as it provides essential information about solar radiation levels and their impact on skin health. High UV levels can lead to sunburn, increasing the risk of skin cancer over time, making awareness key for effective sun protection. Given Guttenberg's Cfb climate, with warm summers and variable cloud cover, local inhabitants face significant UV exposure, particularly during peak hours around noon when levels reach up to 8. By staying informed about the UV Index, residents can take proactive measures to safeguard their skin while enjoying the beautiful outdoors.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 09:00, it gradually ramps up to 3, signaling the start of a moderately sunny day. The index peaks at 8 from 12:00 to 14:00, reminding everyone to take care as midday rays can be intense. Following this peak, the UV levels begin to decline sharply, dropping to 7 at 15:00 and further to 4 by 17:00. As the sun sets, the UV Index falls back to 2 at 18:00 and settles at 1 by 19:00, marking the end of the day’s solar intensity. Stay sun-safe and enjoy the rays while they last!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal fluctuations, impacting the risk of overexposure to sunlight. January and February maintain a low UV Index of 2, allowing for a safe burn time of 45 minutes. However, as we transition into March, the UV Index rises to 4 (moderate), shortening the safe burn time to 30 minutes. The real risk begins in April and peaks from May to July, where the UV Index reaches 8 (very high), necessitating precautionary measures with a mere 15 minutes of safe sun exposure. While August and September still present high levels (UV Index of 7 and 6 respectively), burn times increase slightly to 25 minutes. As autumn sets in, October sees a reduction to a moderate UV Index of 4 again, before declining to 2 and 1 in the final months of the year (November and December), where sun exposure is considered low risk. Visitors and residents should remain vigilant from April through September, employing sunscreen, protective clothing, and seeking shade during peak sunlight hours, especially on high-risk months when the UV Index exceeds 6.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hamburg UVI | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Berlin UVI | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Koeln UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Frankfurt am Main UVI | 2 | 3 | 4 | 5 | 8 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Guttenberg | 2 | 2 | 4 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Munich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |