Last updated: July 2, 2025
In Riah, Morocco, being aware of the UV Index is essential for protecting your skin from harmful ultraviolet radiation. Understanding UV levels is crucial not just for preventing sunburn, but also for safeguarding your long-term skin health. With its Mediterranean climate, Riah experiences significant UV exposure, especially during midday hours when the index can soar to 11. This underscores the importance of monitoring UV levels to enjoy the sun safely while minimizing the risk of skin damage. Stay informed and keep your skin safe!
The UV Index shows a striking rise throughout the day, peaking at 11 during the 1 PM hour, indicating a very high risk of harm from unprotected sun exposure. The morning starts off mild, with values of 1 at 7 AM and 8 AM, gradually climbing to 2 by 9 AM. As the sun climbs higher, the intensity increases sharply, reaching 4 by 10 AM and then skyrocketing to 7 at 11 AM. After that, the UV index continues its ascent, hitting that critical 9 at noon. The midday peak at 1 PM signals it's time for extra precautions, followed by a gradual decrease in intensity, settling at 4 by 5 PM and dropping to 1 by 7 PM. As the day winds down, it's essential to remember the importance of protecting your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV index levels, highlighting significant risks for sun exposure. From March to August, residents and visitors should be particularly vigilant, as months like May and June see extreme UV levels of 11 and 12, resulting in burn times of just 10 minutes. The UV index peaks in April (9) and remains high through July (11), presenting a constant threat during these spring and summer months. Conversely, winter months like January and December reflect a more moderate risk, with UV indexes around 4 and burn times extending to 30 minutes. It is advisable for everyone to take preventive measures, such as wearing sunscreen, protective clothing, and hats during high-risk months, especially during midday hours when UV radiation is the strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Casablanca UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 5 | 4 |
| Sale UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| Rabat UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| Riah | 4 | 5 | 8 | 9 | 11 | 12 | 11 | 10 | 10 | 7 | 5 | 4 |
| Fes UVI | 4 | 5 | 8 | 10 | 11 | 12 | 11 | 10 | 9 | 7 | 5 | 4 |
| Marrakesh UVI | 4 | 6 | 9 | 10 | 12 | 12 | 11 | 11 | 10 | 8 | 6 | 5 |