Last updated: July 2, 2025
In San Francisco de Asis, Mexico, being aware of the UV Index is essential for maintaining healthy skin and preventing sunburn. Understanding UV levels can help residents and visitors alike take the necessary precautions to protect themselves from harmful ultraviolet radiation. With a warm climate characterized by high UV exposure, particularly between 10 AM and 2 PM when the index can peak at 15, it’s crucial to stay informed and adopt protective measures. By regularly checking the UV Index, you can enjoy the sun safely while safeguarding your skin’s health and well-being.
The UV index for the day showcases a dramatic rise in sun intensity as the hours progress. Starting at a mild 1 during the early morning (7:00 AM), the index remains low until 9:00 AM when it reaches 3. However, by 10:00 AM, it soars to 7, heralding a sunny peak ahead. The afternoon sees an impressive climb, peaking at a maximum of 15 at 1:00 PM—the most critical time for sun exposure—before gradually tapering off to 11 by 3:00 PM and falling to 1 by nighttime. This data underscores the importance of sun safety measures during the vibrant midday hours!
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 | 10 | very high | 15 min |
12:00 | 13 | 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 |
The UV Index exhibits significant seasonal changes, with high-risk months from February to October, where values reach extreme levels (UV Index 13-15) for most of the period, resulting in a quick burn time of just 10 minutes. January and November present a slightly lower risk with very high exposure (UV Index 10) and a burn time of 15 minutes, while December sees a marginally decreased risk (UV Index 9). Visitors and residents are strongly advised to take protective measures during these high-risk months, such as wearing sunscreen with a high SPF, donning protective clothing, and seeking shade, particularly during midday hours when UV radiation is at its peak. Being proactive can greatly mitigate the risks associated with 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 |
San Francisco de Asis | 10 | 13 | 14 | 15 | 14 | 14 | 15 | 14 | 14 | 13 | 10 | 9 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |