Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Iriba, Chad, especially given its BWh climate characterized by high temperatures and strong sunlight. Awareness of UV levels is essential for preventing sunburn and protecting skin health, as exposure can significantly increase with the midday sun. In Iriba, UV intensity peaks between 11 AM and 1 PM, reaching levels as high as 13, emphasizing the need for precautions during outdoor activities. Staying informed about these levels helps to ensure a safe and enjoyable experience in the sun-soaked environment of this unique region.
The UV Index reveals a dynamic pattern throughout the day, peaking dramatically as the sun climbs higher. Starting gently at 2 at 07:00, the index escalates to a robust 5 by 08:00. By 09:00, it reaches 8, marking the onset of serious sun exposure. The midday sun hits hard, surging to its maximum of 13 at both 11:00 and 12:00, demanding caution for those outdoors. As the afternoon wanes, the intensity softens, dropping to 11 at 13:00, then retreating to 7 by 14:00. The UV levels continue to decline, with 4 at 15:00, and finally settling at a safe 1 by 17:00. As the sun sets, the index falls to 0 by 18:00, offering a respite from UV exposure. It's a reminder to wear sunscreen during peak hours for safety!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 5 | moderate | 30 min |
09:00 | 8 | very high | 15 min |
10:00 | 11 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 7 | high | 25 min |
15:00 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, peaking in intensity from February to October, with March and April being particularly critical months, both recording an extreme UV Index of 14 and a rapid burn time of just 10 minutes. As we move into the late summer months, August sees a similarly high index, indicating ongoing risk. Conversely, from November to January, the UV levels gradually decrease, transitioning to a "very high" exposure category, despite January still presenting a burn time of only 15 minutes. Visitors and residents are advised to adopt strict sun protection measures during the high-risk months, especially between February and October, to prevent skin damage. This includes wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
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 |
N'Djamena UVI | 10 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
Iriba | 10 | 12 | 14 | 14 | 13 | 12 | 12 | 13 | 12 | 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 |