Last updated: May 3, 2025
Understanding the UV Index in Santa Rosa (Santa Barbara), Mexico is crucial for safeguarding your skin health and preventing painful sunburns. With its Cwa climate characterized by warm summers and mild winters, residents and visitors alike are exposed to varying UV levels throughout the day. As the UV Index peaks around noon, reaching a maximum of 14, being aware of these levels helps you plan your outdoor activities safely. Stay informed and protect your skin to enjoy the sunny beauty of Santa Rosa while minimizing the risks associated with overexposure to ultraviolet rays.
The UV Index today shows a dramatic rise in solar intensity as the day progresses. Starting from a mild 0 at 7:00 AM, it gently increases to 1 by 8:00 AM. But as the clock strikes 10:00 AM, the index skyrockets to 5, reaching a peak of 14 by 1:00 PM and holding steady until 2:00 PM. The afternoon brings a noticeable decline, dropping to 12 at 3:00 PM and gradually tapering off to 5 by 5:00 PM. By 6:00 PM, the UV levels fall to 3, finally settling at a safe 1 as the sun begins to set at 7:00 PM. Be cautious during peak hours when the UV Index soars—a perfect reminder to protect your skin!
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variations, with the highest values occurring from March to October, where it consistently remains in the extreme exposure category, particularly peaking at 15 in April, June, and the summer months. February and March also present critical periods, with UV Index values of 12 and 14 respectively. Notably, the high-risk months for UV exposure are March through October, where the potential for skin damage is at its highest, with a burn time of just 10 minutes during these months. Residents and visitors are strongly advised to take precautions such as applying sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours to minimize the risk of sunburn and long-term skin damage. In contrast, November and December see a slight reduction in UV levels, but the UV Index remains in the very high category, suggesting that vigilance is still necessary.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
| Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
| Santa Rosa (Santa Barbara) | 10 | 12 | 14 | 15 | 14 | 15 | 14 | 14 | 14 | 12 | 10 | 9 |
| Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |