Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Tan-Tan, Morocco, where the sun shines brightly in a BWh climate. Monitoring UV levels helps protect against sunburn and long-term skin health issues. With peak UV exposure reaching an intense 11 around midday, awareness is essential to enjoy outdoor activities safely. Early mornings and late afternoons can offer more moderate levels, yet vigilance remains key. Stay informed, and safeguard your skin while soaking up the sun in this vibrant coastal town!
The UV Index for the day showcases a significant rise in solar intensity as the sun climbs higher in the sky. Starting at a low of 1 at 07:00 and 08:00, the index escalates to 2 by 09:00. A marked increase occurs between 10:00 and 12:00, where it jumps to 4 and peaks at a striking 9 at noon. The afternoon witnesses even higher levels, reaching a maximum of 11 at both 13:00 and 14:00, signifying a critical time for sun protection. As the sun begins to set, the index gradually declines to 5 at 17:00, and eventually returns to a safe 1 by 19:00. It’s essential to take precautions during those peak hours to safeguard against harmful UV exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | 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 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal fluctuations, peaking during the summer months. March to September are particularly high-risk periods, with April to June recording the highest values—reaching up to UV Index 13 in June. During these months, the burn time drops sharply to just 10 minutes of unprotected sun exposure, highlighting the need for strong sun protection measures. Conversely, the fall and winter months see a decrease, with January featuring a UV Index of 5, categorized as moderate, and longer burn times of 30 minutes. Visitors and residents are strongly advised to monitor the UV Index closely, especially from March to September, and to adopt protective strategies such as wearing sunscreen, hats, and protective clothing to mitigate risks associated with high UV exposure.
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 |
| 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 |
| Tan-Tan | 5 | 7 | 10 | 11 | 12 | 13 | 11 | 11 | 11 | 9 | 6 | 6 |