Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Merlscheid, Germany, where the Cfb climate brings variable weather and significant sun exposure, especially during peak hours. By monitoring UV levels, you can take proactive steps to prevent sunburn and safeguard your skin health. Notably, during midday, the UV Index can reach a high of 9, indicating a need for protective measures such as sunscreen and shade. By staying informed, you can enjoy the outdoors while minimizing the risks associated with excessive UV radiation.
The UV Index throughout the day reveals an interesting pattern of sun exposure. Early risers will find a gentle start at 1 by 07:00, slowly increasing to 2 by 08:00. As the sun ascends, it peaks at 9 during the afternoon's warmest hours, specifically 13:00. The intensity then tapers off, with values decreasing to 6 by 16:00 and dropping further to 1 by 19:00. Notably, the high point occurs at 12:00, reaching a robust 8—ideal for sun lovers, but a friendly reminder 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates significant seasonal variations, indicating changes in sun exposure risk throughout the year. From January to April, the UV levels remain low to moderate, with the highest burn time of 45 minutes in January and November. However, the risk escalates markedly in May and June, where UV Index values reach 8 and 9 respectively, categorizing these months as very high risk, with a drastically reduced burn time of just 15 minutes. The summer months of July and August maintain high levels of UV exposure, registering UV indices of 8 and 7. As fall approaches, the UV Index gradually declines, with October recording a moderate level, and finally tapering back to low levels in November and December. Visitors and residents should exercise caution, particularly during the high-risk months of May through August, by applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the potential for skin damage.
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 |
| Merlscheid | 2 | 3 | 4 | 5 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |
| Munich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |