Last updated: July 2, 2025
In Sakiet Sidi Youssef, Tunisia, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet rays. With peak values reaching as high as 11, awareness of these levels can help you prevent sunburn and long-term skin damage. The region's Csa climate offers plenty of sunshine, but this also means a greater risk of excessive UV exposure, especially during the midday hours. Stay informed and take proactive measures to enjoy the beautiful Tunisian sun safely!
At sunrise, the UV Index starts low at 1, gradually increasing to 3 by 8:00 AM. As the day progresses, the sun’s intensity peaks at 12:00 PM with an impressive 11, signaling that midday is when UV exposure is at its highest. Shortly thereafter, the index slightly declines to 10 at 1:00 PM, before tapering off through the afternoon: 9 at 2:00 PM, 7 at 3:00 PM, and dropping to 4 by 4:00 PM. As evening approaches, the UV Index diminishes to 2 at 5:00 PM and finally returns to its morning levels of 1 by 6:00 PM, showcasing the natural ebb and flow of sunlight throughout the day. Be sure to protect your skin during peak hours between 11:00 AM and 1:00 PM!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels show significant seasonal fluctuations, with March to September marking the high-risk months for UV exposure. During this period, the UV Index peaks, reaching an extreme level of 11 in both June and July, where protective measures are crucial and the burn time is as little as 10 minutes. Visitors and residents should be particularly vigilant from April through September, where even moderate to very high indices necessitate sun protection strategies. It's advisable to use sunscreen, wear protective clothing, and seek shade during peak hours, especially when the UV Index reaches 8 and above. In contrast, the winter months (January, February, November, and December) present a lower risk, with moderate UV Index levels, allowing for more leisurely outdoor activities without the need for extensive sun protection.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bizerte UVI | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 4 | 3 |
| Tunis UVI | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 10 | 8 | 7 | 4 | 3 |
| Sousse UVI | 3 | 5 | 7 | 8 | 9 | 11 | 11 | 10 | 8 | 7 | 4 | 3 |
| Sakiet Sidi Youssef | 3 | 5 | 7 | 8 | 10 | 11 | 11 | 10 | 9 | 7 | 4 | 3 |
| Sfax UVI | 4 | 5 | 7 | 8 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 3 |
| Kairouan UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 3 |