Last updated: June 2, 2025
In Djenne, Mali, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially in a region characterized by its hot semi-arid climate (BSh) and high solar exposure. With UV levels reaching a maximum of 12 around noon, understanding these fluctuations is essential for anyone spending time outdoors. The intensity of UV radiation during peak hours can significantly increase the risk of skin damage, so knowing when to seek shade or apply sunscreen can make all the difference in safeguarding your skin. Stay informed and embrace the sun responsibly in this vibrant, historic town!
As the sun rises, the UV Index gradually climbs, starting at 1 at 7 AM and reaching its first notable peak of 3 by 8 AM. The intensity really kicks in by 9 AM, hitting 5, and by 10 AM it surges to 8. The crucial hours follow, with the index soaring to a maximum of 12 at noon, creating a strong urge for sun protection. By 1 PM, it slightly dips to 11, maintaining a high level of UV exposure, before beginning a steady decline. By 2 PM, the index further drops to 10, followed by a more rapid decrease through the afternoon. By the time the clock strikes 6 PM, the value is back to 1, and as the sun sets at 7 PM, it settles at 0. Always be mindful of those midday rays when the UV Index peaks!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences significant variation throughout the year, with highest levels occurring from March to September, peaking at 14 in both July and August. These months are classified as having an extreme exposure category, where the burn time is only 10 minutes, indicating an increased risk for skin damage. Conversely, January and November have a very high UV Index of 10, while December sees a slight reduction to 9. Visitors and residents are strongly advised to take precautions during these high-risk months, such as wearing protective clothing, applying sunscreen regularly, and seeking shade to minimize UV exposure and prevent sunburn.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mopti UVI | 10 | 11 | 12 | 13 | 12 | 12 | 14 | 14 | 13 | 11 | 9 | 9 |
Djenne | 10 | 11 | 12 | 13 | 12 | 12 | 14 | 14 | 13 | 12 | 10 | 9 |
Segou UVI | 10 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 10 | 9 |
Bamako UVI | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 11 | 10 | 9 |
Koutiala UVI | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 12 | 10 | 10 |
Sikasso UVI | 11 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 12 | 10 | 10 |