Last updated: July 2, 2025
Understanding the UV Index is essential for residents of San Isidro Tinajab, Mexico, where the strong sun can pose significant risks, especially during peak hours. With UV levels soaring to as high as 15 around midday, awareness of these numbers can be a game-changer in preventing sunburn and protecting your skin health. This Aw climate zone offers plenty of sunshine year-round, making it crucial to check the UV Index regularly and take the necessary precautions. Embrace a sun-smart lifestyle to enjoy the beautiful weather while keeping your skin safe!
As the sun rises, the UV Index starts off low, peaking at 1 from 7:00 AM to 9:00 AM. However, by 10:00 AM, it takes a noticeable leap to 7, signaling stronger rays. The intensity continues to rise, reaching its zenith at 12:00 PM with a staggering 14, and then hitting its peak at 1:00 PM at 15—a clear reminder to seek shade and protect your skin. The index gradually declines throughout the afternoon, dropping to 11 by 3:00 PM, and easing into the evening with values of 4 at 5:00 PM, 2 by 6:00 PM, and reverting back to 1 by 7:00 PM. Be mindful of the sun during peak hours, especially between 10:00 AM and 2:00 PM, when the UV exposure is at its maximum!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | 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 |