Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors in Bagn, Norway. With its sharp variations in daylight and a climate that can enhance sun exposure, being aware of UV levels is crucial not only for preventing sunburn but also for maintaining long-term skin health. Throughout the day, particularly during peak hours, the UV Index can reach a maximum of 7, indicating a moderate to high risk of harm from unprotected sun exposure. As Bagn experiences varying cloud cover and clear skies, it’s important to monitor UV levels to enjoy the beautiful outdoors safely while protecting yourself from potential risks associated with overexposure.
As the sun rises at 07:00, the UV Index begins gently, peaking at 1. By 08:00, it climbs to 2, signaling a gradual increase in sun intensity. The UV rays reach their zenith at 13:00, hitting a maximum of 7, urging everyone to seek shade or wear protection. The afternoon sees a slight dip; by 14:00, the index drops back to 6 and maintains this level until 16:00. As evening approaches, the index declines steadily, settling at 2 by 19:00. This pattern illustrates a typical sun exposure cycle, emphasizing the importance of sun safety during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels fluctuate significantly, with peak intensity occurring during the summer months. January through February feature low UV Index levels (1), allowing for safe outdoor activities with a burn time of 45 minutes. As spring approaches, March to May sees a gradual increase, reaching a moderate level (3-5) where exposure should be limited to 30 minutes to prevent skin damage. The high-risk months of June and July present the highest UV indices (7), necessitating heightened precautions and limiting direct sun exposure to 25 minutes. In late summer and fall, August to September sees a moderate decrease, while October through December return to low levels, similar to the start of the year, with a burn time of 45 minutes. Visitors and residents are advised to wear sunscreen, protective clothing, and seek shade, particularly during the high UV months to ensure skin safety and health.
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 |
| Bagn | 1 | 1 | 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 |