Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Roy, Belgium, as it plays a significant role in sun safety and overall skin health. Awareness of UV levels not only helps to prevent painful sunburns but also reduces the risk of long-term skin damage. Roy, situated in a temperate climate zone (Cfb), experiences varying UV exposure throughout the day, peaking at midday when levels can reach as high as 8. With the summer sun's intensity, knowing when to seek shade or apply sunscreen becomes essential for maintaining your well-being while enjoying the outdoors. Stay informed and protect your skin in this vibrant community!
At dawn, as the sun rises, the UV Index remains low, peaking at 1 from 07:00 to 08:00. By 09:00, it gently escalates to 2, marking the start of increased sun exposure. As the clock ticks towards midday, enthusiasm for outdoor activities can be tempered by safety, as the UV Index rapidly climbs to 7 at 12:00 and peaks at a striking 8 at 13:00. This intense solar energy persists until 14:00, where it dips slightly to 7. The afternoon continues to shower light, with levels at 5 and 4 from 16:00 to 17:00. As day transitions to evening, the sun begins to mellow, dropping back to 2 by 18:00 and settling to 1 as dusk descends. For those planning outdoor adventures, this data underscores the importance of sun protection during the peak 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 | 5 | moderate | 30 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 |
Throughout the year, UV Index levels fluctuate significantly, indicating varying risk for skin damage due to sun exposure. The highest-risk months are May through July, when the UV Index reaches 8, signifying very high exposure potential, with a burn time of just 15 minutes. In contrast, the winter months of January, November, and December feature much lower UV Index levels, maintaining a low exposure risk with burn times of up to 45 minutes. Visitors and residents are strongly advised to take precautions during high UV Index periods by wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM. In less risky months, while damage potential is lower, it's still wise to stay informed and protect your skin.
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 |
| Roy | 2 | 3 | 4 | 5 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |