Last updated: June 2, 2025
In Hermalle-sous-Huy, Belgium, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the sunnier months when UV levels can rise significantly. Understanding these levels empowers residents and visitors alike to take necessary precautions against harmful UV radiation. With a Cfb climate, Hermalle-sous-Huy experiences varied weather patterns that can lead to fluctuating UV exposure risks. From late morning to early afternoon, the UV Index can reach levels of 8, indicating a high risk of harm from unprotected sun exposure. Staying informed can make all the difference in protecting your skin while enjoying the beautiful outdoors!
The UV Index throughout the day showcases a distinctive pattern, beginning at a mild level of 1 at 7:00 AM and gradually climbing as the sun rises. By 10:00 AM, it reaches a moderate 4, signaling the start of peak sun exposure. As the clock strikes noon, the Index soars to a high of 8, remaining steady at this elevated level until 2:00 PM—the sun's zenith for UV intensity. As the afternoon progresses, the UV Index dips gradually, falling to 6 by 4:00 PM, and further declining to 2 by 7:00 PM. This data implores outdoor enthusiasts to take heed around midday when protective measures are crucial to safely enjoying the sunshine.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 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 |
During the year, UV exposure varies significantly, with the highest risk months being May through August. In May, the UV Index rises to 7 (high), followed by 8 (very high) in June and July, and dropping back to 7 in August. Residents and visitors are advised to be particularly cautious during these months, limiting sun exposure, especially during peak hours, and applying sunscreen regularly. Conversely, from January to April and in September to December, UV levels are generally lower, with the burn time gradually increasing, allowing for safer outdoor activities. It is important to adapt your sun protection measures according to these seasonal UV changes to ensure health and safety while enjoying the outdoors.
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 |
| Hermalle-sous-Huy | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |