Last updated: August 1, 2025
In Schengen, Luxembourg, staying informed about the UV Index is essential for safeguarding your skin health. As sun exposure can lead to painful sunburns and long-term skin damage, understanding UV levels is crucial, especially during peak hours when the UV Index escalates. With a Cfb climate, Schengen experiences dynamic weather patterns, presenting varying risks of UV radiation throughout the year. From the moderate exposure in the morning to intense levels by midday, being aware of these changes not only helps prevent skin issues but also empowers you to enjoy the outdoors safely. Keep an eye on the UV Index to protect yourself and make the most of sunny days!
As the sun rises, the UV Index begins at a mild 1 during the early hours (07:00 and 08:00), making it a safe start for morning activities. However, the intensity ramps up quickly, peaking at 8 between 13:00 and 14:00—a critical time where sun protection is essential. From 10:00 onward, the index steadily climbs to reach its midday high of 7 at 12:00, signaling the strongest UV exposure. As the day progresses, levels gradually decrease, dipping to 4 by 17:00 and returning to a safer 1 by 19:00. Stay vigilant during the peak hours for your skin’s safety!
| 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 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do UV levels, significantly affecting both residents and visitors. Starting the year, January and November present a low UV Index (2), with a burn time of 45 minutes, making outdoor activities safer. Moving into February and March, the UV Index rises to 3 and 4 respectively, indicating a moderate risk with burn times of 30 minutes. The high-risk months begin in April with an Index of 6, decreasing burn time to 25 minutes, and peak in May and June where the Index reaches 8 and 9, categorized as very high, and necessitating protective measures within just 15 minutes of sun exposure. July and August maintain a very high level at 8 and 7 respectively, but with slightly longer burn times of 15 and 25 minutes. As summer wanes into September and October, the risk decreases, yet still stays notable at 6 and 4 with 25 and 30-minute burn times. Finally, the year rounds off with December, where UV levels drop to a low Index of 1, allowing for 45 minutes of safer outdoor exposure. To ensure safety, it is crucial for everyone to take appropriate sun protection measures, especially during the high-risk months from April to August.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Schengen | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |
| Luxembourg UVI | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |
| Bettembourg UVI | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Schifflange UVI | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Dudelange UVI | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Esch-sur-Alzette UVI | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |