Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Pedro Yutniotic, Mexico, where the sun shines brightly throughout the year. With peak UV levels often reaching as high as 15 during midday, awareness of these levels is vital for effective sunburn prevention and maintaining skin health. The area's Aw climate elevates the risk of harmful UV exposure, making it essential to check daily UV readings. By staying informed, you can enjoy the beautiful sunny days while protecting yourself from the risks associated with excessive sun exposure.
The UV Index throughout the day showcases a dramatic rise and fall, peaking at an intense 15 at 12:00 PM. Starting from a mild 1 at 07:00 AM, the index steadily climbs, reaching 3 by 08:00 AM and soaring to 11 by 10:00 AM. It continues to escalate, hitting 14 at 11:00 AM, before its zenith at 12:00 PM. In the afternoon, the index gradually declines, dropping to 11 at 2:00 PM, then to 7 at 3:00 PM, and further down to 2 by 5:00 PM. Finally, the day concludes with a return to a safe 0 just before nightfall. This pattern underscores the necessity of sun protection during peak hours, particularly from 10 AM to 2 PM, when the UV exposure is most hazardous.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 14 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
During the year, UV Index levels indicate a significant fluctuation in UV exposure, with high-risk months clearly spanning from January to October, where the index ranges from 11 to 15, categorized as extreme exposure with a burn time of just 10 minutes. April, May, and July are particularly noteworthy, consistently hitting a peak index of 15. As we transition to November, the index decreases to 11, and by December, it drops to 9, signifying a shift to very high exposure with a slightly longer burn time of 15 minutes. Visitors and residents are strongly encouraged to take precautionary measures, including wearing protective clothing, applying sunscreen, and limiting sun exposure during these high-risk months to mitigate the dangers of prolonged UV exposure.
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 Pedro Yutniotic | 11 | 13 | 14 | 15 | 15 | 14 | 15 | 14 | 14 | 13 | 11 | 9 |