Last updated: July 2, 2025
Understanding the UV Index is crucial for everyone in Norresundby, Denmark, where the typical Cfb climate can lead to varying levels of sun exposure throughout the day. With peak UV Index values reaching as high as 7 from midday, it's vital to stay informed for effective sunburn prevention and to maintain healthy skin. By recognizing the daily UV levels, residents can better protect themselves against the risks of overexposure, ensuring they enjoy the beautiful Danish outdoors safely. Whether you're soaking up the sun in a park or strolling by the Limfjord, being UV-aware helps safeguard your skin against potential harm.
As the sun rises, the UV Index takes its first steps, starting at a gentle 1 at 07:00. By 08:00, it climbs to 2, and by mid-morning, it reaches a moderate 3. The intensity peaks at 12:00 with a significant 6, signaling that midday sun is at its strongest. As the clock ticks past 13:00, the UV Index hits its maximum at 7, urging outdoor enthusiasts to take precautions. Gradually, it begins to wane, dropping to 6 by 14:00, then easing further to 5 by 16:00. As evening approaches, the index falls to 3 at 17:00 and concludes the day gently at 1 by 19:00, allowing a breath of relief as the sun sets.
| 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 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable seasonal changes, peaking from late spring to summer. High-risk months for UV exposure are May through August, with the UV Index reaching as high as 7 during June and July, necessitating increased caution for both visitors and residents. In these months, the burn time decreases significantly to just 25 minutes, indicating the need for protective measures such as sunscreen and clothing. As the seasons transition into fall and winter, UV levels drop, with January, February, October, November, and December classified as low-risk months, allowing for longer exposure times of 45 minutes without significant risk. Overall, it is crucial for everyone to be aware of these fluctuations and to take appropriate precautions, particularly during the higher risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Norresundby | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 2 | 1 | 1 |
| Aalborg UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 2 | 1 | 1 |
| Arhus UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Frederiksberg UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Copenhagen UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Odense UVI | 1 | 2 | 3 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 2 | 1 |