Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Troim, Norway, as it provides vital information about the sun's intensity and its potential impact on your skin health. With UV levels varying throughout the day, awareness can help prevent painful sunburns and reduce the long-term risks of skin damage. Troim's Dfc climate brings unique sun exposure patterns, especially during peak hours when the UV Index can reach a high of 7 around midday. Stay informed and protect yourself as you enjoy the beautiful Norwegian outdoors!
The UV Index throughout the day showcases a fascinating journey of sunlight intensity. At daybreak (07:00), the index starts low at 1, indicating only minimal risk for sun exposure. As the morning progresses, it climbs steadily, reaching 3 by 09:00 and escalating to 5 by 10:00. The peak intensity occurs at 12:00, where it hits 7, indicating a high risk for sunburn, and remains at this level until 14:00. As the afternoon wanes, the UV Index begins to taper off—6 at 15:00, followed by 5 at 16:00 and gradually decreasing to 2 by 19:00. This data underscores the importance of sun safety during peak hours, particularly between 11:00 and 14:00, when protective measures are essential. Remember to reapply sunscreen and seek shade to enjoy the sunshine safely!
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | 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, UV exposure varies significantly, with the highest risk months occurring from May to July, when the UV Index reaches a peak of 7. During these months, categorized as high exposure, the recommended burn time is only 25 minutes, necessitating protective measures such as sunscreen and clothing. As spring transitions into summer, the UV Index climbs from moderate (3-5) in March and April to high, before tapering back to moderate levels in August and September. By October through December, the UV Index drops to low (1-2), allowing for more extended periods outdoors without immediate sun protection. Visitors and residents should remain vigilant during the peak months and take appropriate precautions to safeguard against harmful UV exposure.
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 |
| Troim | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |