Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Mani, Burkina Faso, where the sun shines brightly in the BSh climate zone. Being aware of UV levels not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health. With peak UV values reaching a staggering 12 around noon, it’s essential to recognize the risks associated with high sun exposure during the day's hottest hours. As you navigate this sun-kissed region, staying informed about UV Index readings can empower you to protect your skin and enjoy all that Mani has to offer with confidence.
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 |
As the seasons change, so do the levels of ultraviolet (UV) radiation, significantly impacting the risk of sunburn. From January to March, the UV Index starts high at 9 in January, peaking at 11 in February and March, categorized as extreme with a burn time of just 10 minutes. The intensity continues to rise through April and May, reaching a peak of 13 during the summer months of July and August, where exposure is also categorized as extreme and a burn can occur in only 10 minutes. Visitors and residents alike should take precautions during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible, especially from February to September when the UV Index remains critically high. As autumn approaches, October shows a UV Index of 10, moderate but still in the very high exposure category, before tapering off to a safer level in November and December with a return to 9. Overall, vigilance against UV exposure is crucial throughout the year, particularly during the warmer months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mani | 9 | 11 | 11 | 13 | 12 | 12 | 13 | 13 | 12 | 10 | 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 |