Last updated: June 2, 2025
In Hamnvik, Norway, being aware of the UV Index is essential for protecting your skin from harmful UV radiation. Understanding UV levels not only helps in preventing painful sunburns but also plays a crucial role in long-term skin health. With a Dfc climate, Hamnvik experiences distinct seasonal variations in sunlight, leading to fluctuating UV exposure risks throughout the year. Typically peaking at a UV index of 5 during midday hours, residents and visitors alike should stay informed and take necessary precautions to enjoy the sun safely.
As the sun rises, the UV Index starts off at a mild 2 at 7:00 AM, gradually increasing throughout the morning. By 10:00 AM, it reaches a moderate 4, peaking at a solid 5 from 11:00 AM to 2:00 PM, indicating a great need for sun protection during these hours. As the afternoon wears on, the intensity begins to wane, with levels dropping back to 4 by 3:00 PM, and further decreasing to 3 at both 4:00 PM and 5:00 PM. By 6:00 PM, the index falls to 2, and finally settles at just 1 as twilight approaches at 7:00 PM. It's a day characterized by a peak UV exposure during midday, reminding everyone to stay safe in the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels demonstrate significant seasonal variation, with the highest risk months being April through August. During this period, the UV Index rises from a moderate level of 3 in April to a peak of 5 in June and July, where the recommended burn time decreases to just 30 minutes. In contrast, the winter months—January, February, and December—feature a low UV Index, where exposure is less critical with a burn time of 45 minutes. Visitors and residents are advised to take precautions during the high-risk months: apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours to reduce the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hamnvik | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 2 | 1 | 1 | 0 |
| Trondheim UVI | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 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 |