Last updated: July 2, 2025
In San Isidro Alta Huerta, Mexico, being aware of the UV Index is essential for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike to take necessary precautions during peak exposure times, especially when the index can reach a startling 13 at noon. The region's Cwb climate features a mix of temperate weather and intense sunlight, making it crucial to stay informed about UV risks. By staying vigilant about the UV Index, you can enjoy the vibrant outdoors while protecting your skin from harmful effects.
At dawn, the UV Index begins its ascent, starting at a cool 0 at 7:00 AM. As the sun climbs higher, from 8:00 AM to 10:00 AM, it gradually rises to 4, indicating a low risk of harm from unprotected sun exposure. However, by 11:00 AM, a surge in intensity brings the index to 8, signaling a moderate level of UV radiation. The peak occurs at 12:00 PM and 1:00 PM, reaching a striking 11 and 13, showcasing a high risk that calls for protective measures. As the afternoon wanes, the index gently declines, hitting 12 at 3:00 PM before tapering off to 9 at 4:00 PM and finally falling back to 1 by 7:00 PM. It's a day where the sun demands both respect and vigilance!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | 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, the UV Index experiences significant fluctuations, with the highest risk months occurring from February to September, when the index reaches extreme levels of 11 to 14 and requires minimal exposure times of just 10 minutes to avoid sunburn. In contrast, the months of November and December see the UV Index drop to 9 and 8 respectively, categorized as very high with longer burn times of 15 minutes. Residents and visitors are advised to take extra precautions during the peak months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, to safeguard against harmful 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 |
San Isidro Alta Huerta | 9 | 11 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 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 |