Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Setermoen, Norway, where the northern climate presents unique sunlight exposure challenges. As the UV levels peak, especially around midday, being aware of these fluctuations helps in preventing sunburn and protecting overall skin health. With temperatures typically maintaining a cool atmosphere, even moderate UV Index readings of up to 5 in the summer months can pose risks for overexposure. Equip yourself with the knowledge of local UV conditions to enjoy the beautiful outdoors safely!
At 07:00 AM, the UV Index begins at a gentle 2, offering a comfortable level for morning activities. As the sun rises higher, it nudges past 3 by 09:00 AM, signaling a gradual increase in intensity. The peak arrives at 11:00 AM, where the index hits 5—a clear indication that midday sun protection is essential. For the next few hours, it maintains this level, suggesting that outdoor enthusiasts should apply sunscreen liberally. As the afternoon rolls on with a slight dip, the index decreases to 4 by 15:00 PM, before gently descending to 3 by 17:00 PM. By evening, the UV Index settles back down to a mild 2 at 18:00 PM and eventually fades to 1 by 19:00 PM, marking a safe phase to enjoy twilight strolls without the need for sunblock.
| 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 | 4 | 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 |
As we observe seasonal changes in the UV Index, the risk of sunburn increases notably during the warmer months. January to March sees a consistently low UV Index (1 to 2), suggesting 45 minutes of exposure is safe without protection. In April, the UV Index rises to 4 (moderate), reducing safe exposure time to 30 minutes, which continues through August. During the high-risk months of April to September, particularly from May to July with a peak UV Index of 5, visitors and residents should take precautions by wearing sunscreen, protective clothing, and seeking shade to minimize sun exposure. As temperatures drop in October to December, the UV risk returns to low, allowing for longer safe exposure periods again. Always stay informed and vigilant, even on cloudy days, as UV rays can still cause harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Setermoen | 1 | 1 | 2 | 4 | 5 | 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 |