Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Medjez el Bab, Tunisia, especially given the region's Mediterranean climate characterized by hot summers and moderate winters. With peak UV levels reaching 11 during midday, awareness of these levels is essential for preventing sunburn and protecting your skin's health from harmful ultraviolet radiation. Regularly checking the UV Index allows you to plan outdoor activities safely, ensuring that you enjoy the sun while minimizing risks. As the sun shines brightly overhead, knowing when to seek shade or apply sunscreen can make all the difference in maintaining your well-being under the Tunisian sun.
As the day unfolds, the UV Index transitions from a gentle 1 at 07:00 to a peak of 11 at noon, making it crucial for sun safety. The intensity is palpable as 10 at 11:00 gives way to a swift decline, dropping to 9 by 14:00. By the late afternoon, the sun's reach retracts to 4 at 16:00, eventually waning to 1 by 19:00. This dynamic progression urges outdoor enthusiasts to take precautions during the peak hours, especially between 10:00 and 13:00, when the index poses a strong risk for unprotected skin. Stay safe in the sun!
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | 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 |
The UV Index exhibits significant seasonal fluctuations, peaking during the summer months of June and July with an extreme exposure category of 11, where the burn time is as little as 10 minutes. The high-risk months for UV exposure extend from March to August, particularly in April and May when the index reaches 8 to 9, classified as very high with burn times dropping to 15 minutes. Residents and visitors should take precautions during this peak period, such as wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade, particularly during midday hours when the sun is most intense. From September to February, UV exposure is comparatively lower, but it remains important to stay vigilant and informed, especially in the transition months of March and October where the index can still reach high levels.
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 |
| Medjez el Bab | 3 | 5 | 6 | 8 | 9 | 11 | 11 | 10 | 8 | 7 | 4 | 3 |
| Sousse UVI | 3 | 5 | 7 | 8 | 9 | 11 | 11 | 10 | 8 | 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 |