Last updated: July 2, 2025
Understanding the UV Index is essential for residents of El Porvenir Agrarista, Mexico, where the Cwb climate offers both lush landscapes and potential sun exposure risks. The UV Index provides crucial insights into the levels of ultraviolet radiation reaching the Earth’s surface, helping you plan your outdoor activities while protecting your skin health. With peak UV levels soaring to a striking 14 around midday, it's vital to stay aware and take precautions to prevent sunburn and long-term skin damage. By familiarizing yourself with daily UV fluctuations—from the moderate levels in the early morning to severe midday exposure—you can enjoy the beautiful climate safely and responsibly.
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 |
El Porvenir Agrarista | 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 |