Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Tamarin, Mauritius, where the sun shines brightly in a tropical climate. Awareness of UV levels helps in preventing sunburn and protecting long-term skin health, especially during peak hours when the intensity is highest. With maximum values reaching 9 around noon, Tamarin’s typical exposure levels pose significant risks, making it vital to stay informed. By keeping an eye on the UV Index, you can enjoy the sunny beaches while ensuring your skin stays safe from harmful rays.
The UV Index throughout the day reveals a striking pattern of solar intensity. Starting at a barely noticeable level of 1 at 07:00, the index gradually climbs to 2 by 08:00 and reaches a moderate 3 by 09:00. As the sun rises higher, we see a significant increase, peaking at an impressive 9 at 12:00. This intensity begins to wane in the afternoon, with values dipping to 8 by 13:00 and then falling to 6 at 14:00. By late afternoon, the index continues to decline, settling at 3 by 15:00, 2 at 16:00, and ultimately back to 1 by 17:00. As dusk approaches, the UV exposure diminishes completely, with readings of 0 by 18:00 and beyond, making it clear that sun protection is crucial during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with extreme exposure categories dominating the winter months from January to March and returning again in the fall from September to November. This indicates that these months, particularly January, February, and March, alongside September and November, are high-risk periods for UV exposure, with a consistent burn time of just 10 minutes. April also marks a transition into extreme levels with a slightly lower UV Index of 12. As summer approaches, UV levels drop but remain notable, with May through July categorized as very high and high, respectively. For visitors and residents, it is critical to take precautions during these high-risk months by wearing protective clothing, applying sunscreen, and minimizing sun exposure during peak hours, even in months with lower index readings. Staying informed and protected will ensure safety while enjoying outdoor activities.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tamarin | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 12 | 14 | 14 |
| Quatre Bornes UVI | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 13 | 14 | 15 |
| Curepipe UVI | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 13 | 14 | 15 |
| Vacoas UVI | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 13 | 14 | 15 |
| Beau Bassin-Rose Hill UVI | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 13 | 14 | 15 |
| Port Louis UVI | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 13 | 14 | 15 |