Last updated: July 2, 2025
In Dielheim, Germany, staying informed about the UV Index is crucial for safeguarding your skin against harmful sun exposure. The UV Index provides essential information on the potential risks of sunburn and long-term skin health—knowledge that is especially vital as the Cfb climate of Dielheim brings a mix of mild summers and a fair amount of sunshine. Understanding UV levels, which peak between 12 PM and 3 PM with values reaching as high as 8, can empower residents to take proactive measures against overexposure, such as applying sunscreen and seeking shade. Whether you're enjoying a day outdoors or engaging in everyday activities, being UV-savvy helps ensure that your sun-kissed moments remain safe and enjoyable.
As the sun rises, the UV Index starts at a gentle 1 at 07:00, gradually climbing to a moderate 2 by 08:00. By 09:00, it reaches a 3, indicating that sun protection is becoming more important. The day's peak occurs at 12:00, when the UV Index hits a high of 8, prompting caution for prolonged exposure. This intensity remains steady until 14:00, before tapering off slowly. At 15:00, it drops to 7, then decreases to 6 by 16:00, and falls further to 4 at 17:00. As the day winds down, the index retreats to a soothing 2 by 18:00 and concludes at 1 by 19:00, making the evening safe for outdoor strolls. Remember to protect your skin 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 | 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 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with the highest levels occurring from May to July, categorized as very high with a burn time of just 15 minutes. April marks the transition into higher UV exposure, registering a UV Index of 6 and a high exposure category. Conversely, the winter months of January, November, and December remain in the low exposure category, with burn times up to 45 minutes. Visitors and residents should be particularly cautious during the high-risk months of May, June, and July, when it is crucial to seek shade, wear protective clothing, and apply sunscreen regularly to minimize the risk of skin damage. As the UV Index decreases in the fall and winter, vigilance can be relaxed, but some level of sun protection remains advisable year-round.
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 |
| Dielheim | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Munich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |