Last updated: June 2, 2025
Understanding the UV Index in Gayeri, Burkina Faso, is crucial for safeguarding your skin and overall health. With the region's BSh climate, residents and visitors alike face significant UV exposure, particularly during the midday hours when the index can soar to a striking 12. By being aware of the UV levels, you can effectively prevent sunburn and long-term skin damage, enabling you to enjoy Gayeri's sunny days while taking the necessary precautions. Remember, staying informed is your best defense against the sun's harmful rays!
At 07:00, the UV Index starts with a mild rating of 1, making it safe for morning activities. However, as the sun rises, it quickly gains intensity, peaking at a striking 12 by 12:00—the highest point of the day. The sun’s rays are strongest between 10:00 and 13:00, with a critical UV level of 11 at 11:00. As the afternoon progresses, the index begins to wane, dropping to 8 by 14:00, and further declining to 5 by 15:00. By 17:00, the UV Index decreases to a safer 1, paving the way for evening activities under less harsh sunlight. As night falls, the UV activity fades to 0 at 19:00, offering a gentle reminder of the sun's powerful presence during the day.
| 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 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, peaking during the summer months. From January to March, the UV Index escalates from 10 to 12 with exposure categorized as very high to extreme, indicating a burn time as short as 10–15 minutes. The highest risk months are from June to August, where the UV Index surges to a peak of 14, maintaining an extremely high risk with a burn time of only 10 minutes. As fall approaches, the index gradually decreases, yet remains in the extreme category through September and October. By November and December, the UV Index drops to 9, still classified as very high but allowing for slightly longer burn times of 15 minutes. Residents and visitors are advised to take great care during the high-risk months, particularly from April to October. It’s essential to apply broad-spectrum sunscreen, wear protective clothing, and seek shade to reduce the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gayeri | 10 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 12 | 11 | 9 | 9 |
| Ouahigouya UVI | 10 | 11 | 12 | 13 | 12 | 12 | 14 | 14 | 12 | 11 | 10 | 9 |
| Koudougou UVI | 10 | 11 | 12 | 13 | 12 | 13 | 13 | 14 | 13 | 12 | 10 | 9 |
| Ouagadougou UVI | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 14 | 13 | 12 | 10 | 9 |
| Bobo-Dioulasso UVI | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 12 | 10 | 10 |
| Banfora UVI | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 12 | 10 | 10 |