Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Hellissandur, Iceland, where even in a cooler climate, sun exposure can lead to unexpected health risks. With UV levels peaking at 5 during midday, this information is vital for preventing sunburn and protecting skin health. As the region experiences a tundra climate (ET), its unique weather patterns can lead to fluctuating UV exposure, making it essential to stay informed about local UV conditions, particularly during the summer months when the sun is at its strongest. Embrace the beauty of Hellissandur while taking smart precautions against harmful UV rays!
The UV Index for the day showcases a steady climb in intensity as the sun rises. Starting from a mild level of 1 at 07:00, it gradually ascends to moderate readings of 2 by 08:00 and 09:00. As the hours pass, the UV Index peaks at 5 from 12:00 to 14:00, indicating a time when sun protection is crucial. After 14:00, the index begins its gentle decline, finishing the day back at a more manageable 2 by 19:00. Be mindful of the midday sun—it's the best time to wear sunscreen and seek shade for protection!
| 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 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences noticeable seasonal changes, peaking during the summer months. From January to February, the index remains low (1), allowing for a generous burn time of 45 minutes. However, as spring approaches, March sees a slight rise to 2, indicating some caution is necessary. April marks the beginning of moderate exposure with an index of 3 and decreasing burn time to 30 minutes, which continues through September where the index varies between 3 to 5. The high-risk months for sun exposure are May to August, where indices reach 5, necessitating vigilant sun protection. As fall arrives, the index decreases back to lower levels by October, and remains low through December. Visitors and residents should plan outdoor activities accordingly, especially during the high-risk months, ensuring they apply sunscreen and seek shade when UV levels are elevated.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hellissandur | 1 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Reykjavik UVI | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 1 |
| Gardabaer UVI | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 1 |
| Hafnarfjoerdur UVI | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 1 |
| Kopavogur UVI | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 1 |
| Akureyri UVI | 1 | 1 | 2 | 4 | 6 | 6 | 5 | 4 | 3 | 2 | 1 | 1 |