Last updated: July 2, 2025
Understanding the UV Index in Roald, Norway is crucial for safeguarding your skin during sunny days. With the potential for harmful ultraviolet radiation, being aware of UV levels can help prevent sunburn and support long-term skin health. Roald, situated in a Cfc climate zone, experiences varying UV exposure—especially during peak hours. On sunny days, UV Index values can reach as high as 6 around midday, making it essential to take precautions. Embrace the sun responsibly by staying informed about UV risks, ensuring your time outdoors is both enjoyable and safe!
As the sun rises, the UV Index begins its gentle ascent, starting at a modest 1 at 7:00 AM. By 8:00 AM, it nudges up to 2, signifying a slight increase in solar intensity. The index reaches 2 again by 9:00 AM, but things start heating up dramatically as it hits a steady 4 by 10:00 AM. The peak occurs at 12:00 PM, where it reaches an impressive 6, remaining at this high level until 2:00 PM. As the afternoon progresses into 3:00 PM, it begins to slightly decline to 5, continuing down to 4 by 5:00 PM. As the day wanes, the index decreases gently to 3 at 6:00 PM, finally settling back at 2 by 7:00 PM, reminding us to always remain cautious under the sun’s powerful rays during those peak hours.
| 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 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 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 |
| Roald | 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 |