Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents and visitors in Boromo, Burkina Faso, where the combination of a hot semi-arid climate and high sun exposure can pose significant health risks. Understanding UV levels helps to prevent sunburn and protect skin health, as the index can reach a staggering maximum of 12 between noon and 1 PM—indicating extreme levels of ultraviolet radiation. With typical exposure risks peaking during the late morning to early afternoon hours, being informed empowers you to take timely precautions, ensuring that your time under the sun remains safe and enjoyable.
As the day unfolds, the UV Index rises significantly, reaching its peak at 12:00 PM with an impressive value of 12. Beginning the day at a manageable 1 at 07:00 AM, the index gradually climbs, hitting 11 by 11:00 AM and maintaining a strong 11 until 1:00 PM. Following this midday zenith, the UV levels begin to decline, dipping to 9 at 2:00 PM and further down to 6 by 3:00 PM. The late afternoon sees a gentle fall, as the index hovers back to 3 at 4:00 PM and eventually settles at 1 by 5:00 PM, wrapping up the day with no UV exposure at 7:00 PM. For those planning outdoor activities, the hours around noon present the highest risk, making protective measures essential during this sunny stretch!
| 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 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 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 |
The UV Index demonstrates significant seasonal variation, peaking in August with an index of 14, categorized as extreme, where the recommended burn time is just 10 minutes. From February to October, the UV Index remains consistently high to extreme, posing an elevated risk for skin damage, particularly from March to September when values range from 12 to 14. In contrast, the winter months of January, November, and December present less intensity, with January and November reporting a very high UV Index of 10 and burn times of 15 minutes. To protect against harmful UV exposure, visitors and residents are strongly advised to limit time outdoors during peak hours, wear protective clothing, and use broad-spectrum sunscreen throughout the year, especially during the summer months when the risk is at its highest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Boromo | 10 | 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 |