Last updated: June 2, 2025
In Erriadh, Tunisia, being aware of the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels can help prevent sunburn, reduce the risk of skin cancer, and ensure you enjoy the beautiful sunny days safely. With Erriadh's semi-arid climate (BSh zone) delivering high UV exposure, especially between 10 AM and 2 PM when the index peaks at 11, residents and visitors alike should take proactive measures against UV radiation. Stay informed and protect your skin to fully enjoy the stunning Mediterranean sun!
The UV Index today showcases a dynamic rise and fall throughout the hours, peaking at 11 from 12:00 PM to 1:00 PM. Starting from a gentle 2 at 7:00 AM, it climbs steadily, reaching 10 by 11:00 AM. As the sun approaches its zenith, the index hits its maximum of 11, indicating a high risk of harm from unprotected sun exposure. After this peak, the index begins its descent, tapering down to 6 at 3:00 PM before declining further to 2 by 5:00 PM. As evening sets in, it settles at a mild 1 from 6:00 PM onward, reminding us to take precautions when basking in the midday sun but allowing for safer outdoor activities as daylight fades.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 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 | 9 | very high | 15 min |
| 15:00 | 6 | 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 index levels exhibit notable seasonal changes, peaking during the summer months. January and December see moderate UV levels (4), allowing for longer burn times of 30 minutes. As the year progresses, February to April experience a rise in UV intensity, with March marking the transition to high risk (7) and April escalating to very high (9). The late spring and summer months of May through July present the highest risk, reaching an extreme UV index of 11, where burn times drop to as little as 10 minutes. August to October maintain high to very high levels, encouraging vigilance as burn times remain short. Residents and visitors are urged to take protective measures, especially during April to July, by applying sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize the risk of sunburn and long-term skin damage.
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 |
| Erriadh | 4 | 6 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 4 |