Last updated: July 2, 2025
In Bol, Chad, understanding the UV Index is crucial for protecting your skin and overall health. With the region's BWh climate, residents and visitors face significant sun exposure, particularly during the peak hours of 10 AM to 2 PM when the UV Index can soar to dangerous levels, reaching a maximum of 12. Being aware of the UV levels can help prevent painful sunburns and long-term skin issues. Whether you're lounging by the Lake Chad or exploring the local culture, knowing when to seek shade and wear protection is essential for enjoying all that Bol has to offer while keeping your skin safe from harm.
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 shows significant seasonal variations, with exceptionally high levels during the winter and summer months. From January to March, the UV Index peaks at 13 in March, categorizing this period as experiencing extreme exposure, with a burn time of just 10 minutes. The summer months remain equally hazardous, with July and September holding a UV Index of 12, maintaining this extreme risk. As residents and visitors engage in outdoor activities, it is crucial to note that February through September are particularly high-risk months. Protective measures, such as wearing sunscreen, protective clothing, and hats, are essential during these times, especially when UV levels are at their highest. As we transition to the later months, November and December still exhibit a very high UV Index, signaling that caution is still necessary in these months. Overall, vigilance against UV exposure should be maintained year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Abeche UVI | 10 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 12 | 10 | 9 | 9 |
| Bol | 10 | 11 | 13 | 12 | 12 | 11 | 12 | 12 | 13 | 11 | 10 | 9 |
| N'Djamena UVI | 10 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Sarh UVI | 11 | 12 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 12 | 10 | 10 |
| Moundou UVI | 11 | 12 | 13 | 14 | 13 | 12 | 13 | 13 | 14 | 12 | 10 | 10 |
| Kelo UVI | 11 | 12 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 12 | 10 | 10 |