Last updated: May 3, 2025
Understanding the UV Index is essential for everyone in Frederikshavn, Denmark, where the climate typically features mild summers and moderate exposure to ultraviolet radiation. Being informed about UV levels is critical for preventing sunburn and protecting skin health, especially during peak hours when the index can reach up to 6 around midday. In this beautiful coastal town, knowing when to seek shade or apply sunscreen can make all the difference in enjoying the outdoors safely. As you navigate the sunny days ahead, keep an eye on the UV Index to minimize risks and protect your skin!
The UV Index throughout the day exhibits a clear pattern, peaking during the midday hours. Starting at 1 at 07:00, it gradually climbs to 2 by 08:00 and stays steady until 09:00. A significant rise occurs at 10:00, reaching 3, before hitting 5 at both 11:00 and 12:00. The highest intensity comes at 13:00 and 14:00, where the UV Index reaches a robust 6—indicating a need for sun protection during these hours. As the afternoon wears on, the index begins to taper off, dropping to 5 at 15:00, then 4 at 16:00, and further declining to 3 by 17:00. Finally, the evening brings a gentle decline, with the index falling to 2 at 18:00 and retreating to 1 by 19:00. Overall, it's essential to stay cautious around midday, when solar rays are at their strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 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, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frederikshavn | 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 |