Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Fosnavåg, Norway. Being aware of UV levels helps prevent sunburn and protects skin health, ultimately reducing the risk of long-term damage. With its cool maritime climate categorized as Cfc, Fosnavåg experiences varied UV exposure throughout the day, peaking at levels of 6 during mid-afternoon. By monitoring these levels, you can enjoy the beautiful coastal environment while keeping your skin safe from harmful UV rays.
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 |
| Fosnavag | 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 |