Last updated: June 2, 2025
Understanding the UV Index in Mouila, Gabon is vital for protecting your skin and enhancing your overall health. With its tropical climate, Mouila experiences significant sun exposure, especially during peak hours—where UV levels can soar to a maximum of 10 around noon. By staying informed about UV levels, residents and visitors alike can take essential precautions against sunburn, premature aging, and even skin cancer. This awareness empowers you to enjoy the beautiful sun-soaked days while safeguarding your skin from the risks associated with high UV radiation.
The UV Index for the day presents an interesting pattern as it climbs to a peak during midday. Starting at a low of 1 at 07:00, the index rises steadily, hitting 2 by 08:00 and reaching 4 by 09:00. The sun gains intensity, soaring to a moderate 6 at 10:00, and hitting a striking 9 at 11:00, shortly followed by a maximum of 10 at noon—meaning it’s essential to protect your skin! As the afternoon unfolds, the index gradually decreases, falling to 9 at 13:00 and 7 at 14:00, before sinking back to 4 by 15:00. By late afternoon and evening, the UV exposure becomes minimal again, dropping to 2 at 16:00, 1 at 17:00, and finally hitting 0 by 19:00, signaling a safe end to the sun's influence for the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, with the highest readings occurring from January to April, where levels reach 13-14, categorized as extreme and necessitating a very short burn time of only 10 minutes. May marks a slight decrease to UV Index 13, yet the risk remains high. From June to July, the index stabilizes at 10, categorized as very high, allowing for slightly longer exposure of 15 minutes before burning. As summer fades, August sees a jump back to an extreme index of 11, followed by a return to 13 in September and a gradual decrease into late fall with consistent levels until December, where the UV Index sits at 12. Visitors and residents are advised to take high precaution during these months, particularly from January through April and during late summer in August, using protective measures such as sunscreen, hats, and sunglasses to mitigate harmful UV exposure.
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 UVI | 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 |
| Mouila | 13 | 13 | 14 | 14 | 13 | 10 | 10 | 11 | 13 | 13 | 13 | 12 |
| Oyem UVI | 12 | 12 | 14 | 15 | 13 | 11 | 11 | 12 | 13 | 14 | 12 | 11 |