Last updated: July 2, 2025
Understanding the UV Index in Alfajayucan, Mexico is crucial for protecting your skin against harmful ultraviolet rays. With the region's BSk climate, residents and visitors alike face varying UV exposure, especially during peak hours when levels can soar to a staggering 15. By staying informed about UV levels, you can effectively prevent sunburn and maintain your skin health, ensuring your outdoor activities remain safe and enjoyable. Remember to take precautions during those high-risk times, particularly from 11:00 AM to 2:00 PM, when the sun's intensity is at its peak.
The UV Index throughout the day reveals a notable increase in solar intensity, peaking at 14:00 with a maximum value of 15. Starting off at a mild 1 between 07:00 and 08:00, the index gradually rises, hitting 9 by 11:00. A striking surge occurs as it reaches 12 at 12:00, and then climbs to its highest point of 14 by 13:00. As the afternoon progresses, the intensity slightly declines to 13 at 15:00, followed by a more significant drop to 6 by 17:00. The UV levels decrease further to 3 at 18:00, and finally settle back to 1 by 19:00. This data emphasizes the importance of sun protection during the peak hours when UV exposure can be most harmful.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | 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 | 15 | 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 |
Throughout the year, UV index levels exhibit significant seasonal variation, peaking between March and July, where values reach an extreme level of 14 to 15. The months of February to October are particularly high-risk for UV exposure, with March, April, May, July, and August consistently maintaining an index of 14 to 15, demanding only 10 minutes of sun exposure before burn occurs. Conversely, December and January show a decrease in UV levels, categorized as very high, with longer burn times of 15 minutes. Visitors and residents should take precautions during the high-risk months by seeking shade, wearing protective clothing, and applying sunscreen to minimize skin damage from UV radiation.
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 |
Alfajayucan | 9 | 11 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 12 | 10 | 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 |