Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Buchs, Switzerland, where the climate can expose you to varying levels of ultraviolet radiation throughout the day. Awareness of UV levels is important not only for preventing painful sunburns but also for maintaining long-term skin health. With the UV Index peaking at 10 around midday, Buchs can pose significant risks, especially during the warmer months. Being informed about these levels will help you enjoy the beautiful alpine environment while protecting yourself from potential harm. Stay sun-smart and make informed decisions about sun exposure!
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| 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 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 fluctuations, with the highest risks occurring during the late spring and summer months. From May to July, the UV Index peaks at 8 to 10, categorized as very high, which corresponds to a burn time of only 15 minutes. April and August also present high exposure levels, with indices of 7 and 8 respectively. In contrast, the winter months of January and December have low UV exposure (Index 2) with much longer burn times of 45 minutes. For visitors and residents, it is crucial to remain vigilant during March through August, applying sunscreen, wearing protective clothing, and seeking shade to mitigate the risks of UV exposure during these high-risk months.
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 |
| Buchs | 2 | 4 | 6 | 7 | 8 | 10 | 10 | 8 | 7 | 5 | 3 | 2 |
| Lausanne UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |