Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Ignacio Lopez Rayon (Los Delgado), Mexico, where the BSh climate brings intense sunshine year-round. With UV levels peaking between 11:00 AM and 2:00 PM, reaching a maximum of 14, awareness of these readings is vital for sunburn prevention and maintaining skin health. By monitoring UV exposure, locals can take proactive measures to protect themselves against the harmful effects of the sun—especially important in a region known for its high UV risks. Embrace the sunshine while staying informed to enjoy a healthier outdoor lifestyle!
At dawn, the UV Index starts off quietly at 0 by 7:00 AM, gradually rising to 1 by 8:00 AM. The sun's strength begins to surface by 9:00 AM reaching 2, but it’s not until 10:00 AM that things really heat up, with the index soaring to 5. The peak of the day hits at 12:00 PM, with an intense 11, and it continues to climb, peaking at 14 by 1:00 PM and again at 2:00 PM. As the afternoon unfolds, this intensity wanes, dipping to 13 by 3:00 PM, before gracefully descending to 10 by 4:00 PM. The UV levels decline further to 7 at 5:00 PM and down to 4 by 6:00 PM, finally retreating back to 1 by 7:00 PM. Make sure to 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 14 | 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 |
The UV Index in the region shows significant seasonal variation, with the highest values occurring from February to October, where exposure is categorized as extreme for the majority of this period. March and April register the peak UV Index at 13 and 15, respectively, resulting in a burn time of only 10 minutes, emphasizing the need for caution. High-risk months include February through October, when residents and visitors should prioritize sun safety measures. During January, November, and December, while still presenting a very high UV Index of 8 or 9, the burn time increases to 15 minutes, allowing for slightly more leniency. To protect against skin damage, it is crucial to wear sunscreen, seek shade, and wear protective clothing, especially during the peak hours of sunlight throughout the high-risk months.
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 |
| Ignacio Lopez Rayon (Los Delgado) | 8 | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 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 |