Last updated: June 2, 2025
Awareness of the UV Index in San Isidro Tinajab, Mexico, is crucial for safeguarding your skin health, especially in a region characterized by its tropical climate. As the sun climbs higher in the sky, so do the UV levels, peaking at an alarming 14 around midday, making it essential to understand and monitor UV exposure. Protecting yourself from harmful rays can prevent painful sunburns and lower your risk of skin-related issues in the long run. Stay informed and enjoy the sunshine safely by checking daily UV levels and adopting smart sun protection measures!
During the early morning hours, the UV Index starts off low, peaking at only 1 at both 7:00 and 8:00. As the day progresses, sunlight intensifies, and by 9:00, the index jumps to 4. The sun reaches its zenith from 11:00 to 14:00, where the UV Index soars to a staggering 14 at 13:00, indicating extremely high levels of solar radiation. As afternoon turns to evening, the index gradually declines, dropping to 11 at 15:00, then down to 4 by 17:00 and finally waning to 1 again by 19:00. It's essential to stay protected during those peak hours, particularly between 11:00 and 14:00, when the sun's rays are at their most powerful!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 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 |
Throughout the year, the UV Index in this region exhibits significant seasonal changes, with high-risk months predominantly from January to October. Notably, from March to June, the UV Index peaks at 15, categorized as extreme, signifying that unprotected skin can burn in as little as 10 minutes. February and March see the highest readings—reaching 13 and 15, respectively—while August and September maintain a high index at 14. As a result, it is crucial for visitors and residents to take adequate precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV exposure is most intense. In contrast, while December presents a slightly lower risk with a UV Index of 10, it is still advisable to remain vigilant.
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 |
| 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 |
| San Isidro Tinajab | 11 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 10 |