Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors of Kalaat Khasba, Tunisia, where the climate is characterized by hot, dry summers and mild winters. Understanding UV levels is essential not only for sunburn prevention but also for maintaining long-term skin health. With peak UV exposure reaching levels of 11 during the midday hours, it’s vital to recognize the daily risks associated with outdoor activities in this sunny region. By staying informed about the UV Index, you can take necessary precautions and enjoy the beautiful Tunisian sun safely!
The UV Index today charts an intriguing journey as the sun makes its ascent. Starting at a mild 1 at 7:00 AM, the UV levels steadily rise, reaching a moderate 3 by 8:00 AM. As the day progresses, the intensity peaks dramatically, hitting 10 at 11:00 AM and soaring to a maximum of 11 at noon and 1:00 PM—a clear signal for sun safety. After this zenith, the index gracefully declines, dipping to 7 by 3:00 PM, before slipping to 2 at 5:00 PM and settling back to a low 1 by evening. It's a vivid reminder of the sun’s power and the importance of taking precautions during those peak hours!
| 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 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | 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 Index levels fluctuate significantly, indicating variations in sun exposure risk. The high-risk months are clearly defined from March to August, where UV Index values peak at 10 to 12 during the summer, categorizing sun exposure as very high to extreme, with burn times decreasing to as little as 10 minutes. The spring and summer months present the highest risk for sunburn and skin damage, emphasizing the importance for visitors and residents to take precautions during these periods. It is advisable to wear protective clothing, apply broad-spectrum sunscreen with a high SPF, and seek shade during peak hours to minimize UV exposure. As the UV Index lowers in the fall and winter, with safer levels in November and December, sun safety remains important, albeit with longer burn times. Stay informed and protect your skin year-round!
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 |
| 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 |
| Kalaat Khasba | 4 | 6 | 8 | 9 | 10 | 12 | 11 | 11 | 9 | 8 | 5 | 4 |