Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Franceville, Gabon, where the tropical climate brings consistent exposure to sunlight. As UV levels can peak dramatically throughout the day—reaching a max UV Index of 13 at noon—grasping this information empowers individuals to take necessary precautions against sunburn and long-term skin damage. With high UV levels particularly prevalent in the vibrant, warm months, ensuring you stay informed about the daily UV Index can significantly contribute to your skin health and overall well-being in this sun-soaked region.
The UV Index (UVI) begins its ascent at 07:00, reaching a modest 1, but as the sun climbs higher, so does the intensity. By 09:00, it hits 6, pushing outdoor enthusiasts to take notice. The peak occurs at 12:00, where the UVI soars to a scorching 13, indicating the need for sun protection. This high level remains at 12 until 13:00, before gradually tapering off to 9 by 14:00. As the afternoon progresses, the UVI then dips to 5 at 15:00, and continues to decline, hitting 2 at 16:00. Finally, the day winds down with the UVI falling to 1 by 17:00, and then sinking to 0 after 18:00, offering a reprieve from the sun's harsh rays for the evening.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits distinct seasonal changes, with the highest levels occurring from January to April and in August through October, prompting extreme exposure categories. Notably, March reaches a peak UV Index of 14, while July sees a decrease to 10, categorized as very high. The high-risk months are predominantly concentrated from January to April and again from August to October, where consistent UV levels maintain extreme risk, with minimal burn times of just 10 minutes. Residents and visitors should take prudent precautions during these months, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade during peak sun hours to minimize potential skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Libreville UVI | 12 | 12 | 13 | 14 | 12 | 10 | 10 | 11 | 12 | 13 | 12 | 11 |
Port-Gentil UVI | 12 | 12 | 13 | 14 | 13 | 10 | 9 | 12 | 12 | 13 | 13 | 12 |
Franceville | 13 | 13 | 14 | 14 | 13 | 9 | 10 | 11 | 12 | 13 | 13 | 12 |
Moanda UVI | 13 | 13 | 14 | 14 | 13 | 9 | 10 | 11 | 12 | 13 | 13 | 12 |
Oyem UVI | 12 | 12 | 14 | 15 | 13 | 11 | 11 | 12 | 13 | 14 | 12 | 11 |