Last updated: May 3, 2025
In the sun-drenched town of Ain Sefra, Algeria, awareness of the UV Index is crucial for ensuring the safety and health of its residents and visitors. Understanding UV levels plays a vital role in preventing sunburn, protecting skin health, and reducing the risk of long-term damage. With its BWk climate, characterized by intense sunlight and arid conditions, Ain Sefra faces significant UV exposure, especially between 11:00 AM and 1:00 PM when the index peaks at 11—the highest risk category. Stay informed about the UV Index to enjoy the beautiful Algerian sun safely!
The UV Index fluctuates throughout the day, beginning with a gentle rise from a modest 1 at 07:00 to a peak of 11 at noon. As the sun reaches its highest point, the intensity of UV radiation escalates, urging caution and protection. The index remains high until 14:00, maintaining a reading of 10, before gradually declining in the afternoon. By 17:00, it drops to 3 and cools off to 1 by evening, highlighting the dramatic shift in UV exposure as daylight fades. For a sun-safe day, plan outdoor activities in the morning or later in the evening!
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 |
The UV Index shows significant seasonal changes, peaking during the summer months. From January to February, the UV Index increases from 4 (moderate) to 6 (high), indicating a gradual rise in sun exposure risks. March and April then see a dramatic spike to 9 and 10, categorized as very high, with a burn time of just 15 minutes. The highest risk occurs from May to August, where the UV Index peaks at 12 (extreme), signifying a critical need for sun protection with a minimal burn time of only 10 minutes. As we transition into fall, the UV Index slightly decreases starting in September and continues to decline through November. Residents and visitors are advised to take extra precautions during the high-risk months of March to August, using sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours to minimize risks associated with UV exposure.
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 |
| 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 |
| Ain Sefra | 4 | 6 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 6 | 4 |