Last updated: August 1, 2025
Understanding the UV Index is vital for residents and visitors in Reydarfjoerdur, Iceland. With its cool ET climate, UV levels can be deceptively moderate, especially during peak hours when they can rise to 5, posing risks for sunburn and long-term skin health issues. Being aware of UV exposure not only helps in preventing painful sunburns but also plays a crucial role in maintaining overall skin integrity. As you explore the beautiful landscapes of Reydarfjoerdur, keeping an eye on the daily UV Index will ensure your adventures are both enjoyable and safe under the sun.
Today’s UV Index shows a steady climb as the sun rises, peaking during the midday hours. At 07:00, the index starts at a mild 1, gradually increasing to a moderate 3 by 09:00. By 11:00, it reaches its maximum of 5 and holds steady until 15:00, indicating a peak period for sun exposure. As the afternoon transitions to evening, the index begins to drop, returning to 3 at 17:00, then tapering off to 1 by 19:00. This progression signals the best hours for sun safety awareness, suggesting that from 11:00 to 15:00, extra protection is advised to enjoy the outdoors while minimizing UV risks.
| 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 | 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 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels undergo significant seasonal changes, influencing sun exposure risks. From January to March, the UV Index remains low, peaking at 2 in March, allowing for a burn time of 45 minutes without significant risk. As spring turns to summer, April to July reveal a notable rise, with the UV Index reaching 6 in June, indicating a high risk for sunburn and shortening the safe burn time to 25 minutes. May and July boast moderate levels, while August sees a decrease to 4. The fall months of September to November revert to lower categories, with burn times extending back to 45 minutes in the late year. For visitors and residents, it is crucial to be particularly cautious during the high-risk months of June and July, using sunscreen and protective clothing to mitigate UV exposure, while maintaining awareness of changing UV levels throughout the seasons.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Reydarfjoerdur | 1 | 1 | 2 | 4 | 5 | 6 | 5 | 4 | 3 | 2 | 1 | 1 |
| Akureyri UVI | 1 | 1 | 2 | 4 | 6 | 6 | 5 | 4 | 3 | 2 | 1 | 1 |