Last updated: July 2, 2025
In San Isidro el Zapotal, understanding the UV Index is vital for maintaining skin health and preventing sunburn. This charming locale experiences a Cwb climate, characterized by its unique weather patterns that can lead to varying levels of UV exposure throughout the day. Notably, during peak hours—from 10 AM to 2 PM—the UV Index can soar as high as 14, indicating extreme risk. By staying informed about these levels, residents and visitors can take proactive steps to protect themselves from harmful UV rays and enjoy the beautiful outdoors safely.
Throughout the day, the UV Index exhibits a dramatic rise, peaking during midday. Starting at a gentle 1 at 7:00 AM, it gradually climbs to 3 by 9:00 AM, before surging to an intense 13 by noon. The sun reaches its zenith at 1:00 PM, with a blistering 14, warning outdoor enthusiasts to take extra precautions. As the afternoon progresses, the index begins to decline, dropping to 7 by 4:00 PM, and then tapering further to 2 by 6:00 PM. By 7:00 PM, the day winds down with a safe 1 on the index. Those enjoying the outdoors are reminded to stay protected during the peak hours to avoid harmful UV exposure.
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 | 14 | extreme | 10 min |
14:00 | 13 | 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 demonstrates significant seasonal variability, with peak levels occurring from February to October, where an extreme rating (UV Index 12-14) is prevalent for most months. January and November feature a very high exposure category, while December sees a slight decrease. March through October are particularly concerning, as these months also have the shortest burn time of only 10 minutes. Visitors and residents should exercise caution during these high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during peak sunlight hours to minimize the risk of UV-related skin damage. Remember, even on cloudy days, UV rays can still cause harm, so stay vigilant year-round.
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 Isidro el Zapotal | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 10 | 9 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |