Last updated: June 2, 2025
In Borsa, Norway, understanding the UV Index is essential for safeguarding your skin and promoting overall health. As the UV levels can reach as high as 6 during peak daylight hours, being aware of these values can help residents and visitors alike take proactive steps against sunburn and long-term skin damage. Borsa’s Dfc climate, characterized by cool summers and moderate sun exposure, still poses risks, especially during the sunniest periods of the day. Familiarize yourself with the UV Index to enjoy the outdoors safely while protecting your skin from harmful rays.
Starting early in the morning, the UV Index gradually climbs, reaching a peak of 6 at noon and maintaining that level until 2 PM. By 7 AM, it’s a mild 1, but as the sun rises higher, the intensity escalates to 5 by 11 AM. The highest point occurs at 12 PM, where caution is advised for outdoor activities. As the afternoon progresses, the index slightly dips to 5 at 3 PM, before gradually falling back to 2 by 7 PM. This pattern suggests that planning outdoor ventures during the midday hours warrants protective measures, while later hours are more forgiving for fun in the sun.
| 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 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 2 | low | 45 min |
As the seasons change, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk throughout the year. From January to February, the UV Index remains low at 1, allowing for a burn time of 45 minutes without significant risk. March marks the beginning of a rise, with a moderate exposure category of 3 (burn time: 30 min), continuing through to May when it reaches 5. The high-risk months are June and July, where the UV Index peaks at 6, necessitating caution with a reduced burn time of 25 minutes. By August, the index drops back to 5, with September and October further decreasing to 3 and 2 respectively. Visitors and residents should be particularly vigilant during the summer months of June and July, ensuring adequate skin protection such as sunscreen, hats, and sunglasses, while still enjoying the outdoors responsibly in the moderate months of March, April, May, August, and September.
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 |
| Borsa | 1 | 1 | 3 | 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 |