Last updated: June 2, 2025
In Valldal, Norway, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the sunnier months. Understanding UV levels helps residents and visitors alike take the necessary precautions to enjoy the beautiful outdoor scenery without compromising their skin. With Valldal's Dfc climate, which often experiences significant daily UV exposure, knowing when the index peaks—typically reaching a maximum of 6 by midday—is essential for planning safe outdoor activities. Stay informed, protect your skin, and make the most of the stunning landscapes while keeping your health in check!
The UV Index steadily rises throughout the morning, peaking at 6 between 12:00 PM and 3:00 PM, indicating a high risk of harm from unprotected sun exposure. Beginning at a gentle 1 at 7:00 AM, it escalates to 4 by 10:00 AM, prompting advisable sun safety precautions. As the afternoon progresses, the intensity remains at its peak until 3:00 PM before tapering down to 4 at 5:00 PM and gradually descending to 2 by 7:00 PM. It’s essential to prioritize sun protection during those midday hours to enjoy the day safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 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 |
Throughout the year, UV Index levels exhibit significant seasonal changes, influencing the risk of sunburn for residents and visitors. From January to February, the UV Index remains low (1), with a generous burn time of 45 minutes. As we transition into March, the index rises to 3, marking the start of moderate exposure with a reduced burn time of 30 minutes. April sees the UV Index climb further to 5 and into the high-risk category of May to July, where it peaks at 6—an indication that outdoor enthusiasts should limit sun exposure to just 25 minutes. In August, the risk marginally decreases to 5, followed by a decline in September (4), and returning to lower levels in October (2), November (1), and December (1) with a burn time of 45 minutes. To ensure safety during these varying UV conditions, it is advisable for visitors and residents to apply sunscreen liberally, wear protective clothing, and seek shade, particularly during the high-risk months of May to July.
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 |
| Bergen UVI | 1 | 1 | 3 | 4 | 5 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Valldal | 1 | 1 | 3 | 5 | 6 | 6 | 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 |