Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Mertendorf, Germany, where the climate's oceanic characteristics can lead to varying sun exposure throughout the year. By being aware of UV levels, you can take proactive steps to prevent sunburn and maintain your skin's health. In Mertendorf, UV Index readings often peak between 11 AM and 2 PM, reaching levels of 6 to 7, which indicates a moderate to high risk of harm from unprotected sun exposure. This awareness is essential, especially during summer months, when UV rays can pose significant risks even on seemingly mild days. Stay informed, protect your skin, and enjoy the sunshine safely!
As the day unfolds, the UV Index experiences a steady climb, reaching its peak at 12:00 PM with a striking 7. The morning begins gently, with values starting at 1 at 07:00, gradually rising to 3 by 09:00. As the sun ascends higher, the index swells to 6 by 11:00 and peaks at 7 between 12:00 and 14:00, indicating strong sun exposure. Post-peak, the UV Index gracefully descends, slipping back to 6 at 15:00 and tapering off to 1 by 19:00. It's essential to stay mindful of sun protection, especially during those peak hours!
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes throughout the year reveal notable fluctuations in sun exposure risk. January and February present the lowest UV Index values (2), classified as low exposure, with a burn time of 45 minutes. As spring approaches, March and April see an increase to moderate levels (4 and 5), shortening burn time to 30 minutes. The risk peaks during May through July, with high (7) to very high (8) UV Index levels, leading to significantly reduced burn times of just 15 to 25 minutes. August starts to decline slightly to a high level (7), while September and October return to moderate ratings. The year wraps up with November and December falling back to low UV levels (2 and 1), allowing for longer burn times once more. Visitors and residents should particularly be cautious from May through July, taking proactive measures such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours to minimize the risk of UV-related harm.
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 |
| Mertendorf | 2 | 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 |
| Munich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |