Last updated: June 2, 2025
In Mainvault, Belgium, awareness of the UV Index is crucial for safeguarding your skin health under the varying cloud cover of a Cfb climate. With typical UV levels peaking between 12 PM and 2 PM, reaching a high of 8, it’s essential to comprehend these fluctuations to prevent sunburn and long-term skin damage. Understanding UV exposure not only helps you enjoy the sunny days safely but also promotes a healthier lifestyle. Stay informed and protect yourself against the risks that come with the beautiful Belgian sun!
The UV Index today begins on a gentle note, peaking at just 1 during the early hours of 07:00 and 08:00. As the sun rises higher, it takes a significant leap to 3 by 09:00 and reaches a moderate 4 by 10:00. The sun's intensity climbs to a robust 6 at 11:00, before hitting its zenith at a powerful 8 from 13:00 to 14:00. After this peak, the UV index gradually descends, softening to 7 at 15:00, and continuing down to 4 by 17:00. As the day winds down, conditions remain mild with readings of 3 at 18:00 and finally settling at 2 by 19:00. It's an excellent reminder to stay sun-safe during those prime hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV Index values fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches its peak at 7-8, classifying them as high to very high exposure. Specifically, June and July present the greatest risk, with a burn time of only 15 minutes. In contrast, the winter months (January, February, November, and December) show a low exposure category with UV Index values of 1-2, allowing for longer safe sun exposure (up to 45 minutes). To ensure safety, it is advisable for visitors and residents to take protective measures during the high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gent UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Antwerpen UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Mainvault | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Brussels UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Liege UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Charleroi UVI | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |