Last updated: July 2, 2025
In L'Arbaa Nait Irathen, Algeria, staying aware of the UV Index is essential for safeguarding your skin against harmful sun exposure. Understanding UV levels is crucial not only for preventing painful sunburns but also for promoting long-term skin health, especially in regions where the sun's rays can be intense. With a Mediterranean climate that often features sunny days and heightened UV exposure, residents and visitors are advised to take precautions when the index peaks — reaching as high as 11 around midday. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting your skin from potential damage.
At 07:00, the UV Index begins its climb with a modest level of 1. By 08:00, it doubles to 2, signaling the start of a gradual increase in solar intensity. As the sun rises higher, the index swiftly escalates to 4 by 09:00 and reaches a brisk 7 at 10:00. The peak occurs at 12:00, hitting a notable 10, and it continues to soar, reaching its maximum of 11 by 13:00. After this midday peak, the UV Index begins to decline, dropping to 9 at 14:00 and gradually decreasing to 7 by 15:00. As the afternoon progresses, it further retreats to 5 at 16:00 and falls to 3 by 17:00, finally settling back to 1 at 18:00 and 19:00. This prompts a reminder to take essential sun protection during the day, especially when the index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal variation, with the highest risk months typically occurring from April to August. In these months, the UV Index reaches very high to extreme levels, with June and July peaking at 11, and the burn time dropping to as little as 10 minutes for unprotected skin. Visitors and residents should take extra precautions during these high-risk months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. The transition months, March and October, present high UV levels (indices of 7 and 6, respectively), where shorter burn times also call for vigilance. During the winter months of January, February, November, and December, the UV Index is notably lower, categorizing exposure as moderate; however, it’s still wise to remain aware of UV exposure, as skin can still burn on sunny days regardless of the season.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Algiers UVI | 3 | 5 | 7 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Boumerdas UVI | 3 | 5 | 7 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| L'Arbaa Nait Irathen | 3 | 5 | 7 | 8 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
| Constantine UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 3 |
| Oran UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 3 |
| Tebessa UVI | 4 | 5 | 8 | 9 | 10 | 12 | 11 | 10 | 9 | 7 | 5 | 4 |