Last updated: August 1, 2025
Understanding the UV Index in Gratangen, Norway is crucial for ensuring your skin health and preventing sunburn. With UV levels peaking around midday, residents and visitors alike should be aware of the potential risks associated with prolonged sun exposure in this Dfc climate zone, characterized by cool summers and moderate UV radiation. When the UV Index reaches levels of 5 and above, it's essential to take protective measures to safeguard your skin against damage. Stay informed to enjoy the beautiful Norwegian outdoors safely!
The UV Index for today presents a steady rise in solar intensity, starting gently at 2 by 7:00 AM and 8:00 AM. As the sun climbs higher, it reaches 3 at 9:00 AM, then peaks at 5 during the midday hours from 12:00 PM to 2:00 PM—a time when sun protection is especially important. The UV Index begins to gradually decline after 2:00 PM, settling back to 3 by 5:00 PM and dropping to 1 by 7:00 PM. With this data, it's clear that outdoor activities should be planned for early morning or late afternoon to minimize UV exposure.
| 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 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes indicate that UV exposure is generally low during the winter months (January through March), with an index of 1 and a burn time of 45 minutes. As spring arrives, the UV Index begins to rise, reaching moderate levels (3 to 5) from April through August, with the highest risk months in June and July, where the index peaks at 5 and the burn time shortens to 30 minutes. September sees a slight decline, but the index remains moderate. By late fall and winter (October through December), UV levels drop back to low, allowing for safer sun exposure with a burn time of 45 minutes. Visitors and residents are advised to be especially cautious during the summer months when UV exposure is most intense; sunscreen, protective clothing, and limiting time in direct sunlight are highly recommended to mitigate the risks of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gratangen | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 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 |