Last updated: July 2, 2025
Understanding the UV Index in Tontelange, Belgium, is crucial for safeguarding your skin against harmful ultraviolet radiation. With UV levels peaking at an index of 8 during the afternoon, being aware of these numbers can help prevent sunburn and promote long-term skin health. The climate in Tontelange, characterized by a temperate oceanic climate (Cfb), may offer mild weather, but it doesn't lessen the risks of UV exposure, particularly in the summer months. Stay informed and take precautions to enjoy the sun safely!
As the sun rises, the UV Index begins its climb, starting at a gentle 1 at 07:00 and 08:00. By 09:00, it picks up pace, reaching a 3, before hitting 4 at 10:00. The intensity peaks between 12:00 and 14:00, soaring to a striking 8. This midday sun demands attention, with the UV Index remaining high at 8 until 15:00. As the afternoon progresses, the numbers start to drop, falling to 6 by 16:00, and then gradually decreasing to a mild 2 by 19:00. Keep your sun protection handy during those midday hours to stay safe under the radiant sky!
| 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 | 8 | very high | 15 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, the UV Index experiences significant fluctuations, with high-risk months identified primarily from April to August, where the index peaks at an alarming 9 in June. During these months, the exposure category escalates to very high, resulting in a burn time of just 15 minutes for unprotected skin. In contrast, January, November, and December have low UV levels, making sun protection less critical, with burn times extending to 45 minutes. As such, it’s essential for both visitors and residents to stay vigilant during the peak months by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially between 10 AM and 4 PM, when UV rays are strongest.
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 |
| Tontelange | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |