Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Korsør, Denmark, where the coastal climate and geographical location can lead to varying levels of sun exposure throughout the year. With summer months seeing peak UV levels reaching as high as 7, becoming aware of these fluctuations is essential for sunburn prevention and maintaining long-term skin health. As the sun rises, UV radiation can intensify quickly, peaking around midday, making it vital for locals and visitors alike to stay informed about daily UV levels to protect their skin and enjoy the beautiful outdoor activities that Korsør's scenic climate offers.
The UV Index for the day reveals a progressively intense sun! Early risers will notice a mild Index of 1 at 7:00 AM, gradually climbing to a moderate 4 by 10:00 AM. The peak occurs between 1:00 PM and 2:00 PM, where it reaches a height of 7, signaling the need for sun protection. By the time we reach the late afternoon, the index begins to fade, dropping to a 5 at 4:00 PM and continuing to decline, finally returning to a gentle level of 1 by 7:00 PM. As the day progresses, it's essential to stay mindful of the UV intensity—plan your outdoor activities accordingly!
| 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 | 7 | 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 illustrates significant seasonal variations that are essential for both visitors and residents to understand. January and February offer low levels of UV exposure (Index 1-2), with burn times of 45 minutes, suggesting minimal risk during these months. As spring approaches, March sees an increase to a moderate level (Index 3, 30 min burn time), followed by more notable rises in April (Index 5) and May (Index 6, 25 min burn time), signaling the onset of high-risk exposure. The peak of UV intensity occurs in June (Index 8, 15 min burn time), where protective measures become crucial, while July and August maintain high exposure levels (Index 6-7, 25 min burn time). Following this, September and October revert to moderate levels (Index 3-5, 30 min burn time), indicating a reduction in risk. Finally, November and December return to low exposure risk, similar to the beginning of the year. Visitors and residents are advised to monitor these UV changes, especially during high-risk months (May through August), and take appropriate precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours for better skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Korsor | 1 | 2 | 3 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 2 | 1 |