Last updated: July 2, 2025
In Imsterberg, Austria, awareness of the UV Index is essential for maintaining skin health and preventing sunburn, especially in this high-altitude climate known for its stunning alpine views. With UV levels peaking at 10 during the midday hours, understanding these fluctuations can help residents and visitors alike protect themselves from harmful ultraviolet rays. This knowledge is crucial for enjoying outdoor activities safely, as even brief sun exposure can lead to skin damage. By staying informed about local UV levels, you can make informed decisions to safeguard your skin while soaking up the beauty of this picturesque region.
The UV Index reveals a dynamic ascent and descent throughout the day, peaking with intensity during midday. Starting at a gentle 1 at 7:00 AM, it climbs steadily, reaching 10 by 1:00 PM and maintaining this highest level until 2:00 PM. This critical window indicates significant sun exposure, and it’s essential to take precautions. As the afternoon progresses, the index begins to taper off, dropping to 8 at 3:00 PM, then gradually falling to 1 by 7:00 PM. This data highlights the importance of being sun-smart during the peak hours to minimize UV exposure risks.
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | 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 |
As the seasons change, so does the UV Index, reflecting fluctuations in UV radiation exposure throughout the year. The highest risk months generally occur from April to August, where the UV Index reaches peak levels of 8 to 10, indicating very high exposure and a burn time as short as 15 minutes. Visitors and residents are strongly advised to take protective measures during these months, such as wearing sunscreen, sunglasses, and protective clothing. In contrast, January and December are safer months with a low UV Index of 2, allowing for longer exposure times of 45 minutes. However, even during moderate months like February, October, and November, UV precautions remain important, as burn times drop to 30 minutes. Staying informed and protecting your skin year-round is essential for health and safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Linz UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Graz UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 1 |
| Salzburg UVI | 2 | 3 | 6 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Innsbruck UVI | 2 | 4 | 7 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Imsterberg | 2 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |