Last updated: July 2, 2025
In Heitenried, Switzerland, being aware of the UV Index is essential for protecting your skin from harmful sun exposure. Understanding UV levels helps prevent sunburn and maintains overall skin health, especially during the peak summer months when the UV Index can reach as high as 9 around midday. Nestled within a Cfb climate zone, Heitenried experiences a fair amount of sunshine, making it crucial to stay informed about UV risks throughout the day. From morning to afternoon, the UV Index fluctuates, highlighting the need for proper sun safety measures to enjoy the outdoors while keeping your skin protected.
A beautiful day unfolds as the UV Index climbs steadily throughout the morning and peaks during the afternoon. Starting at a gentle 1 at 07:00, it gradually rises to a moderate 3 by 09:00. The intensity increases further, reaching a noticeable 5 at 10:00 and hitting a striking 6 at 11:00. Just after midday, the UV Index reaches its zenith at 9 between 13:00 and 14:00, signaling the importance of protective measures. As the sun starts to descend, values ease back to 8 at 15:00, before gradually dropping to 4 at 17:00 and returning to a safe 1 by 19:00. This progression emphasizes the need for awareness and protection from UV rays, especially during the midday heat.
| 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 | 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variation, with the highest levels occurring from March to August. During this period, the high-risk months are typically April through August, where the UV Index reaches its peak values of 8 to 10, indicating a very high exposure category and a quick burn time of just 15 minutes. In contrast, the winter months of January and December present lower UV Index values (2), categorized as low exposure, allowing for a longer burn time of up to 45 minutes. It is essential for both visitors and residents to take precautions during high UV Index months, such as wearing sunscreen, protective clothing, and seeking shade, especially between 11 a.m. and 4 p.m. when the sun’s rays are strongest.
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 |
| Heitenried | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 8 | 6 | 5 | 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 |