Last updated: August 1, 2025
Understanding the UV Index is crucial for the residents of Heggenes, Norway, especially during the peak summer months when UV radiation levels can rise significantly. Being aware of the daily UV levels helps in preventing sunburn and protecting skin health, which is essential for long-term well-being. Heggenes' cool, temperate climate can sometimes lead to underestimating UV exposure, particularly during sunny days when the index can peak at 7 around midday. By keeping an eye on the UV Index, you can enjoy the beautiful Norwegian outdoors while safeguarding your skin from harmful rays.
The UV Index peaked dramatically throughout the day, starting with a mild 1 at 07:00 and reaching its zenith of 7 between 13:00 and 14:00. As the sun climbed higher, the intensity of UV radiation increasingly called for protective measures. By 11:00, the index had already hit 5, nudging outdoor enthusiasts to seek shade. The afternoon brought a slight decrease, with values tapering to 6 at 15:00 and then gradually down to 2 by 19:00. This pattern highlights the importance of being vigilant during the midday hours when UV exposure is at its most potent. Ensure to stay protected during those 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 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 |
| Heggenes | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |