Last updated: June 2, 2025
In Ain Sefra, Algeria, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's arid BWk climate, residents and visitors alike experience significant UV exposure, particularly during the peak hours of 10 AM to 2 PM when UV levels soar to 12. Understanding these UV levels empowers individuals to take protective measures, ensuring they enjoy the sunny days safely while minimizing the risk of skin damage. Whether you’re planning outdoor activities or simply soaking in the natural beauty, stay informed about the UV Index to protect your skin and enjoy the sun wisely.
As the sun rises, the UV Index starts off low at 1 by 07:00, gradually climbing to a moderate 2 by 08:00. Things heat up by 09:00, where the index reaches 4, signaling a need for caution. 10:00 brings a sharp surge to 7, followed by a peak of 12 at both 12:00 and 13:00, indicating high levels of UV radiation. As the afternoon unfolds, the index begins to dip, dropping to 11 at 14:00 and then gradually decreasing to 9 by 15:00. By 16:00, the value lowers to 6, and as evening approaches, the levels continue to decline, reaching 3 at 17:00 and finally settling back to 2 by 18:00 and 1 by 19:00. It's a day that emphasizes the importance of sun protection, especially during those peak hours between 10:00 and 14:00.
| 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 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | 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 |