Last updated: June 2, 2025
Understanding the UV Index in Gao, Mali, is essential for protecting your skin and health under the sun. With the local climate categorized as BWh, residents and visitors alike face high UV exposure risks, particularly during midday when the index peaks at an intense 11. By monitoring UV levels, you can take essential steps to prevent sunburn and minimize long-term skin damage. Awareness of these changing levels, especially between 10:00 AM and 2:00 PM, when the index reaches up to 10, empowers you to enjoy the beautiful Malian sun safely while safeguarding your skin’s health.
At dawn, the UV Index starts off low at 1 by 7:00 AM, but as the day unfolds, it quickly rises. By 10:00 AM, it hits 8, reaching peak intensity at noon with an index of 11. As the afternoon progresses, the UV levels begin to drop, stabilizing at 10 shortly after noon before gently declining to 5 by 3:00 PM. The sun’s influence wanes further as evening approaches, tapering down to 1 by 5:00 PM and finally dissipating to 0 by 7:00 PM. This fluctuation highlights the importance of sun protection during peak hours, especially between 10 AM and 2 PM when UV exposure is at its highest.
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 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 10 | very high | 15 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, the UV Index exhibits significant seasonal fluctuations, peaking from March to September with extreme levels that necessitate careful sun exposure management. High-risk months include March, April, July, and August, where the UV Index reaches extremes of 11 to 13, indicating a recommended burn time of just 10 minutes for unprotected skin. Conversely, the burn time increases to 15 minutes during the very high months of January, February, October, and November, when the UV Index ranges from 9 to 10. To ensure safety, visitors and residents are strongly advised to limit sun exposure during peak hours and to use appropriate sun protection measures, such as sunscreen and protective clothing, especially in the months of highest UV intensity.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Gao | 9 | 10 | 11 | 13 | 12 | 11 | 13 | 13 | 12 | 10 | 10 | 9 |
Mopti UVI | 10 | 11 | 12 | 13 | 12 | 12 | 14 | 14 | 13 | 11 | 9 | 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 |