Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Sandsli, Norway, as it plays a significant role in protecting your skin health and preventing sunburn. With the region's Cfb climate, characterized by mild summers and varied weather, awareness of UV levels helps you make informed decisions about sun exposure, especially during peak hours when the index can reach up to 6. As the day progresses, UV radiation fluctuates, making it essential to monitor these changes to safeguard against potential risks. Embrace the beauty of the outdoors while prioritizing your skin's well-being by staying informed about local UV conditions!
As the sun rises, the UV Index begins its climb, starting at a mild 1 at 7:00 AM. By 10:00 AM, it reaches a moderate 3, signaling a pleasant but cautious day ahead. The intensity peaks at 6 from 13:00 to 15:00, urging sunbathers and outdoor enthusiasts to take protective measures. As the afternoon eases into evening, the index gradually declines, settling at 2 by 19:00. With this hourly variation, it's crucial to stay informed and protect your skin, especially during 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 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, the UV Index in the region exhibits notable seasonal variations that impact sun exposure and skin safety. From January to February, the UV Index remains low (1), allowing for a longer burn time of 45 minutes. As spring arrives in March, the index rises to 3, indicating moderate exposure, with a reduced burn time of 30 minutes. This trend continues with a slight increase in April (UV 4) and May (UV 5). The summer months (June and July) see the highest risk, peaking in June with a high UV Index of 7, leading to a burn time of just 25 minutes—thus making June and July the high-risk months for UV exposure. August and September return to moderate levels but still require caution. As temperatures cool in October to December, the UV levels drop back down to low (1-2), allowing for longer burn times again at 45 minutes. Visitors and residents should prioritize sun protection—such as wearing sunscreen, protective clothing, and sunglasses—especially between March and September, with a heightened emphasis during the summer months when UV exposure is most intense.
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 |
| Sandsli | 1 | 1 | 3 | 4 | 5 | 7 | 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 |