Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sils-Segl Maria, Switzerland, especially given its stunning alpine environment where sun exposure can be deceptively intense. As the sun climbs in the sky, particularly between late morning and early afternoon, UV levels can spike to 10, posing significant risks for sunburn and long-term skin health. With Sils-Segl Maria's ET climate bringing bright clear skies, being informed about daily UV levels allows you to enjoy the beautiful outdoors while effectively protecting your skin. Stay vigilant to embrace the stunning alpine scenery without compromising your well-being!
The UV Index today showcases a dynamic progression throughout the morning and afternoon. Starting off at a mild value of 1 at 7:00 AM, it gradually increases to 2 by 8:00 AM. By 9:00 AM, it ramps up to 4, paving the way for a sunny peak at 12:00 PM, when it reaches its maximum of 10. This high level of UV radiation remains consistent until 2:00 PM. As the afternoon wanes, the index gently descends, dropping to 9 at 3:00 PM, then further to 7 at 4:00 PM, and down to a gentler 3 by 6:00 PM. Finally, as daylight dims, the UV Index falls to 1 at 7:00 PM, concluding a day of varied sun exposure. Be sure to take precautions during the peak hours to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | 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 |