Last updated: July 2, 2025
Understanding the UV Index in Stelle, Germany is crucial for maintaining skin health and preventing sunburn, especially during those peak summer months. With a climate characterized by mild summers and cool winters, Stelle experiences varying UV exposure, reaching a maximum UV Index of 7 during midday hours. Being aware of these levels helps residents and visitors alike make informed decisions about sun protection, ensuring enjoyable outdoor activities while minimizing the risks of harmful UV radiation. Stay safe under the sun and take proactive steps to shield your skin!
As the sun rises, the UV Index (UVI) begins its ascent, starting with a mild level of 1 at 7:00 AM. By 9:00 AM, it reaches a level 3, indicating an increase in solar intensity. The real peak occurs at noon when the UVI hits a robust 7, representing the highest risk for harm from unprotected sun exposure. This high intensity persists until 3:00 PM, when it gradually recedes to a level of 6. As the afternoon wanes, the UVI dips further, dropping to 5 at 4 PM and finally back to a gentle 1 by 7 PM, allowing for a safe and comfortable evening. Remember, the hours between 10 AM and 3 PM mark the most crucial times for sun safety!
| 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 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the year progresses, the UV Index experiences significant seasonal changes, with the highest risk for sun exposure typically occurring from May to August. During this period, particularly in June, the UV Index peaks at 8, indicating a very high risk, where the burn time is reduced to just 15 minutes. In contrast, the UV Index starts low in the winter months, such as January and December at just 1, representing a low risk that allows for longer exposure times of 45 minutes without serious sunburn. Residents and visitors should be particularly vigilant during the high-risk months and take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV-related harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stelle | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Hamburg UVI | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Berlin UVI | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Koeln UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Frankfurt am Main UVI | 2 | 3 | 4 | 5 | 8 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Munich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |