Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Ulsteinvik, Norway, where the unique Cfc climate can lead to varying UV exposure levels throughout the day. As the sun reaches its peak intensity, usually between 11:00 AM and 2:00 PM, the UV Index can rise to 6, posing potential risks for sunburn and long-term skin health issues. Being aware of these levels not only helps you plan your outdoor activities wisely but also protects you and your loved ones from harmful UV radiation. Stay informed and enjoy the beautiful surroundings of Ulsteinvik while keeping your skin safe!
Throughout the day, the UV Index fluctuates, peaking at 6 between 1:00 PM and 2:00 PM, warning sun-seekers to take precautions. The morning starts off gradually, with a low 1 at 7:00 AM, increasing to a mild 2 by 8:00 AM and reaching 3 by 10:00 AM. As the sun climbs higher, it reaches its zenith with 5 at 11:00 AM and 12:00 PM, before hitting that crucial 6 in the early afternoon. However, as the day winds down, the index declines, dropping back to 4 by 5:00 PM and settling at 2 by 7:00 PM. Stay informed and protect yourself when the sun is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index experiences notable seasonal fluctuations, with high-risk months identified as June and July, where the index peaks at 6 and the burn time is just 25 minutes. In contrast, the winter months of January, February, October, November, and December demonstrate a low UV Index of 1, allowing for longer exposure times of 45 minutes. As the year progresses into spring and summer, visitors and residents should be particularly mindful of the increasing UV levels. It is advisable to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours to mitigate the risks associated with higher UV exposure in April through August.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trondheim UVI | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Ulsteinvik | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 1 |
| Bergen UVI | 1 | 1 | 3 | 4 | 5 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Oslo UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Drammen UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Stavanger UVI | 1 | 1 | 3 | 4 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |