Last updated: July 2, 2025
In Hammerfest, Norway, understanding the UV Index is crucial for sun safety and overall skin health. With daily exposure levels that can peak at 5 during the midday hours, being aware of the UV index can help residents and visitors prevent sunburn and reduce long-term skin damage. Given Hammerfest's Dfc climate—characterized by cool temperatures and variable sunlight—it's essential to monitor UV exposure, especially in summer months when the sun's rays can be deceptively strong. By staying informed about the UV Index, you can enjoy the beautiful Arctic scenery while taking smart steps to protect your skin.
As the sun rises, the UV Index begins at a moderate level of 2 at 07:00, indicating a need for some sun protection. By 08:00, it climbs to 3, and steadily increases to a peak of 5 between 12:00 and 13:00—the time of day when the sun is at its strongest. Residents and visitors are advised to take precautions during these hours. After this zenith, the index gradually decreases, returning to a 4 by 14:00, and then fading to 2 by 17:00. By evening, the UV Index dips to a safe 1 at 19:00, allowing for sun-soaked evenings without concern. Stay informed and protect your skin during the day’s sunniest moments!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences distinct seasonal changes that are important for both visitors and residents. From January to March, the UV Index remains low (1), indicating minimal risk for skin damage, with a burn time of 45 minutes. As we transition into April, the index rises to 2, still considered low, but by May and June, the index reaches a moderate level (4 and 5), reducing burn time to just 30 minutes. July and August maintain this moderate risk, making these months particularly high-risk for UV exposure. In contrast, September sees a decrease back to a low level (2), with October to December presenting minimal concern once again. For optimal skin protection, it is advisable to take precautions such as wearing sunscreen and protective clothing, especially during the high-risk months of May through August.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hammerfest | 1 | 1 | 1 | 2 | 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 |