Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Sils-Segl Maria, Switzerland, where the high-altitude climate presents unique sun exposure challenges. Knowing the UV levels can help you take proactive measures against sunburn and protect your skin health, especially during the peak UV hours when the index soars, such as at midday with values reaching 10. With its stunning landscapes and outdoor activities, Sils-Segl Maria often sees increased UV risks due to its ET climate—so stay informed and enjoy the sun safely!
The UV Index for today showcases a dynamic range of intensity, peaking at 10 between 1 PM and 2 PM. As the sun rises, 07:00 greets us with a gentle 1, escalating to a moderate 3 by 09:00. By mid-morning, the heat intensifies, climbing to 5 at 10:00 and hitting a significant 7 at 11:00. The critical hours arrive at noon, where we reach 9, ultimately culminating in the afternoon peak of 10 at 13:00 and 14:00. As the day progresses, the intensity gradually recedes, dropping to 7 at 16:00, and winding down to 3 by 18:00 and settling back to a safe 1 by 19:00. It’s essential to stay protected during the peak hours when the sun is at its strongest!
| 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 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes, with the highest risk months occurring from April to August, when the index frequently reaches levels of 9 and 10, indicating very high exposure risk. During these months, the burn time is as low as 15 minutes, emphasizing the need for protective measures. In contrast, the winter months of January and December have a low UV Index of 2, allowing for longer exposure times of 45 minutes without concern. Visitors and residents are advised to be particularly diligent about sun safety from March to August, using sunscreen, wearing protective clothing, and seeking shade during peak hours to reduce the risk of harmful UV exposure. Overall, while UV levels are lower in the colder months, caution is always recommended as conditions can vary.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basel UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Bern UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
| Zurich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Geneve UVI | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Lausanne UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
| Sils-Segl Maria | 2 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |