Last updated: July 2, 2025
Understanding the UV Index in Bitsch, Switzerland is crucial for promoting skin health and preventing sunburn. With the region’s high alpine climate leading to increased UV exposure, especially during the midday hours, being aware of UV levels can help residents and visitors alike protect themselves from harmful sun rays. Typically, UV Index values peak between 11:00 AM and 2:00 PM, reaching as high as 10, signaling significant risk for skin damage. Armed with this knowledge, you can enjoy the beautiful Swiss outdoors while ensuring your skin stays safe and healthy.
As the sun rises, the UV Index begins its steady ascent, starting at a mild 1 at 7:00 AM. By 8:00 AM, it reaches 2, hinting at the day ahead. As we approach mid-morning, the intensity climbs to 3 by 9:00 AM and then dramatically spikes to 5 at 10:00 AM. The real peak occurs between 12:00 PM and 2:00 PM, where the index soars to a whopping 10, indicating strong sun exposure. This midday intensity begins to taper off by 3:00 PM, as it drops to 9, and continues to slide through the late afternoon, ending the day at 1 by 7:00 PM. It's crucial to stay protected during those peak hours to enjoy the sun safely!
| 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant fluctuations, with the highest levels occurring during late spring and summer months. Notably, March through August are high-risk periods, as the UV Index reaches very high to extreme levels—peaking at 11 in June. During these months, burn times drastically decrease, with only 10 to 15 minutes of sun exposure required to risk skin damage. In contrast, the risk is far lower in the winter months, particularly January and December, where the burn time extends to 30 to 45 minutes and the UV Index remains moderate to low. Visitors and residents are advised to exercise caution and protect their skin, especially from March to August, by wearing sunscreen, protective clothing, and seeking shade during peak hours.
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 |
| Bitsch | 3 | 4 | 8 | 9 | 10 | 11 | 10 | 9 | 7 | 6 | 3 | 2 |