Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Dalen, Norway, where the unique ET climate can lead to varying sun exposure throughout the year. With peak UV levels reaching 7 during midday, awareness of these fluctuations helps in preventing sunburn and protecting skin health. As you enjoy the scenic beauty of Dalen, keep in mind that understanding UV levels not only safeguards your skin but enhances your outdoor experiences. Whether you're hiking or relaxing under the sun, knowing when to seek shade or apply sunscreen is essential for maintaining your well-being in this beautiful locale.
As the sun rises, the UV Index gradually climbs, reaching a maximum of 7 at 1:00 PM, indicating a significant risk of harm from unprotected sun exposure. Starting from a gentle 1 at 7:00 AM, it builds to a moderate 5 at 11:00 AM, and peaks at 6 during midday. The afternoon sees a slight decline, tapering back to 5 by 4:00 PM and dropping further to a mild 2 by 7:00 PM. Take precautions during the peak hours, especially between 11:00 AM and 2:00 PM, when the sunlight is most intense and skin protection is crucial.
| 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 | 7 | 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 | 2 | low | 45 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, seasonal UV Index changes indicate varying levels of sun exposure risk. In the low-risk months of January, February, October, November, and December, the UV Index remains between 1 and 2, allowing for a safer burn time of 45 minutes. As spring approaches, March sees a moderate UV Index of 3, reducing safe exposure to 30 minutes. The high-risk months of May through August, with UV Index values between 6 and 7, demand more caution as burn times drop to 25 minutes. September transitions back to moderate levels, while the cycle returns to low risk by October. Visitors and residents are advised to monitor UV Index changes, especially during high-risk months, by applying sunscreen, wearing protective clothing, and seeking shade to minimize skin damage.
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 |
| 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 |
| Dalen | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |