Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Tenniken, Switzerland, where the climate provides delightful sunny days but also exposes you to significant UV radiation. Understanding these UV levels is vital for sunburn prevention and maintaining skin health, as even short periods of exposure can lead to long-term skin damage. With typical midday UV Index readings reaching as high as 9, it's essential to be vigilant about sun safety, especially during the warmer months in this Cfb climate zone, where outdoor activities attract many to the sun. Stay informed and protect your skin while enjoying all that beautiful Tenniken has to offer!
As the day unfolds, the UV Index rises to its peak, painting a vivid picture of sun intensity. At 7:00 AM, the index starts modestly at 1, making for a gentle morning. By 8:00 AM, we see a slight increase to 2, perfect for a stroll. The sun gains strength, reaching 3 by 9:00 AM and hitting 4 at 10:00 AM. It’s 11:00 AM when things heat up with a 6, leading into the midday sun, where the UV Index surges to a striking 8 at 12:00 PM. The peak occurs at 1:00 PM, with a sizzling 9, holding steady until 2:00 PM. As the afternoon progresses, the index dips gradually, dropping to 8 at 3:00 PM, then further to 6 by 4:00 PM. By 5:00 PM, it eases to 4, followed by a gentle descent to 3 at 6:00 PM. As the sun sets, the index softens to 1 by 7:00 PM, bidding farewell to a day of vibrant sun exposure. Remember to stay protected during those peak hours!
| 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 | 4 | 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 |
Throughout the year, the UV Index demonstrates notable seasonal variations that affect exposure risk. January and February have relatively low to moderate UV levels (Index 2-3), with safe burn times of 45 and 30 minutes respectively. As spring approaches, March sees a rise to an index of 5, and by April, it reaches 6, marking the beginning of high-risk months. The most critical period arrives in May and June, where the UV Index peaks at 8-9, indicating very high exposure risk and a reduced burn time of just 15 minutes. July and August maintain this peak, before tapering off in September with a return to a high risk (UV Index 6). October brings a moderate reduction (Index 4), while winter months November and December drop back to low levels. Visitors and residents should be particularly vigilant during May through September, using sunscreen and protective clothing to minimize harmful effects during these high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tenniken | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| 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 |