Last updated: May 3, 2025
Understanding the UV Index in San Ignacio Cerro Gordo, Mexico, is crucial for protecting your skin and overall health. With UV levels peaking at a striking 15 around midday, awareness of these levels is essential for preventing sunburn and long-term skin damage. The region's Cwb climate, characterized by its warm summers and mild winters, can increase your exposure to harmful UV radiation, making it imperative to stay informed. By keeping an eye on the UV Index, you can enjoy the sun while safeguarding your skin from its harmful effects.
As the day unfolds, the UV Index begins to soar, starting at a low 0 by 7:00 AM. By 8:00 AM, it inches up to 1, signaling the gradual approach of stronger sunlight. The 9:00 AM hour sees a modest rise to 2, but it’s really by 10:00 AM that we experience a significant jump to 5, hinting at more intense UV exposure. The peak arrives around 1:00 PM, where the index reaches a striking 14, just before maxing out at 15 by 2:00 PM—the perfect time to seek shade or sunscreen! After this towering high, the figures begin to retreat, dropping to 10 at 4:00 PM, and winding down to 3 by the evening hours at 6:00 PM. As the sun sets, the UV index falls to 1 at 7:00 PM, allowing for a gentle end to the day’s sunbathing adventures. Remember—protect your skin during those peak hours!
| 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 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index displays significant seasonal variations, peaking between March and October with extreme levels recorded from February to October. The highest UV Index occurs in April and May at 15, where the burn time is as little as 10 minutes. January experiences a very high UV Index of 9, while November and December see a decline to 10 and 8 respectively, returning to very high levels with a longer burn time of 15 minutes. Visitors and residents should exercise caution during high-risk months, particularly from February to October, and take protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is most intense.
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 |
| San Ignacio Cerro Gordo | 9 | 11 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 12 | 10 | 8 |
| Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
| 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 |