Last updated: May 3, 2025
In Petit-Thier, Belgium, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can help you prevent sunburn, reduce the risk of skin cancer, and maintain healthy skin over time. With a moderate Cfb climate, residents can experience varying UV exposure throughout the day, particularly peaking between 12 PM and 2 PM, where levels can reach as high as 8. By staying informed about the UV Index, you can take proactive measures to protect yourself and enjoy the sunny days safely.
The UV Index throughout the day presents a clear trajectory of intensity as the sun ascends in the sky. Starting early at 07:00 with a mild 1, the index gradually rises, reaching 2 by 09:00. It makes a significant leap at 10:00, hitting 4, but it’s not until 12:00 that the sun reaches its zenith with an impressive peak of 7. The index hits its maximum at 13:00 with an 8, emphasizing the need for sun protection during this peak hour. As the afternoon progresses, it gently declines; by 16:00, it drops to 5, and continues to wane, settling back to 1 by 19:00. This pattern emphasizes the importance of awareness and protection from harmful UV rays, particularly in the midday hours.
| 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 | 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 | 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 |
The UV Index demonstrates significant seasonal variations, indicating changes in sun exposure risk throughout the year. From January to April, the UV levels remain low to moderate, with the highest burn time of 45 minutes in January and November. However, the risk escalates markedly in May and June, where UV Index values reach 8 and 9 respectively, categorizing these months as very high risk, with a drastically reduced burn time of just 15 minutes. The summer months of July and August maintain high levels of UV exposure, registering UV indices of 8 and 7. As fall approaches, the UV Index gradually declines, with October recording a moderate level, and finally tapering back to low levels in November and December. Visitors and residents should exercise caution, particularly during the high-risk months of May through August, by applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the potential for skin damage.
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 |
| 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 |
| Petit-Thier | 2 | 3 | 4 | 5 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |