Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Mezzouna, Tunisia, where the BWh climate brings about hot, sunny days that can amplify UV exposure risks. Being aware of UV levels plays a vital role in sunburn prevention and skin health, helping you take necessary precautions to protect yourself while enjoying the beautiful local scenery. With peak UV Index values soaring to 12 around noon, it's essential to stay informed about these levels throughout the day, ensuring you stay safe and healthy under the Tunisian sun. Embrace the warmth while keeping your skin safeguarded!
At dawn, the UV Index starts low at 1 by 7:00 AM, providing a gentle reminder of the sun's presence. As the morning progresses, the index climbs to 3 by 8:00 AM, and then peaks at 12 around noon, signaling intense sun activity. The sun's rays are strongest at 11:00 AM with a maximum of 10, making it crucial to protect your skin during this time. Though the UV Index begins to decline after midday, it remains significant at 11:00 AM and 9 by 2:00 PM. By the late afternoon, the numbers drop to 4 at 4:00 PM and further descend to 1 by 6:00 PM. Plan your sun exposure wisely, taking care to avoid the peak hours when protection is vital!
| 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 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 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 exposure levels fluctuate significantly, peaking during the summer months. Notably, April through August represent the high-risk months, with UV Index values reaching extreme levels of 10 to 12. During this period, the recommended burn time drops to as low as 10 minutes, indicating a high potential for skin damage. Residents and visitors alike should take precautions by wearing protective clothing, applying sunscreen with high SPF, and seeking shade during peak hours from noon to 4 PM. Outside of these months, particularly in January, November, and December, the UV Index remains moderate, allowing for longer exposure times of up to 30 minutes without significant risk. However, vigilance is always advised, as UV rays can still pose a risk 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 |
| Mezzouna | 4 | 5 | 7 | 9 | 10 | 11 | 12 | 11 | 8 | 7 | 5 | 4 |