Last updated: August 1, 2025
In San Jose de Gracia, Mexico, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding the daily UV levels can help you take proactive measures to prevent sunburn and maintain healthier skin. With a climate characterized by cool temperatures but intense sun exposure, particularly during midday hours, residents and visitors alike should be alert to rising UV indices, which can peak at a striking 15 around noon. By staying informed about UV levels, you can enjoy the beautiful sunny days typical of San Jose de Gracia while protecting yourself from the risks associated with excessive sun exposure.
The UV Index throughout the day showcases a dramatic rise and fall, highlighting the intensity of sunlight at different hours. Starting at a mere 1 by 07:00, the index gradually climbs to a moderate 3 by 09:00. However, 10:00 marks the beginning of a significant surge, peaking at an impressive 15 between 13:00 and 14:00. This period of maximum exposure can pose risks; thus, protective measures like sunscreen and hats are advisable. As the sun begins its descent, the UV levels drop sharply, falling back to 6 by 17:00 and returning to 1 by 19:00. Stay mindful of these shifts to enjoy the sun safely!
| 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 | 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 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variation, with particularly high levels from February to September, where it consistently reaches extreme levels. The highest recorded UV Index occurs in March, April, May, June, and July at 15, signaling a 10-minute burn time for exposed skin. Visitors and residents should be especially vigilant during these months, taking precautions to protect their skin from potential sunburn and long-term damage. January, November, and December experience slightly lower UV Index values of 10 and 9, categorized as very high, allowing for a slightly longer burn time of 15 minutes. Regardless of the month, it is advisable to wear sunscreen, protective clothing, and sunglasses to ensure safety from harmful UV exposure throughout the year.
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 Jose de Gracia | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 12 | 10 | 9 |