Last updated: May 3, 2025
In San Martin de Zula, Mexico, being aware of the UV Index is crucial for maintaining your skin health and preventing sunburn. With its Cwa climate, the region experiences high UV levels, especially during midday, peaking at an alarming 14 between 1:00 PM and 2:00 PM. Understanding these UV levels empowers residents and visitors alike to take necessary precautions, ensuring that outdoor activities remain enjoyable and safe. Embrace the sun responsibly by staying informed and protecting your skin!
At dawn, the UV Index begins its slow ascent, starting from 0 at 7:00 AM. By 8:00 AM, it nudges up to 1, and around 9:00 AM, it reaches 2, signaling the start of sun exposure for the day. The intensity escalates quickly, hitting 4 at 10:00 AM and soaring to a peak of 11 by noon. The sun's power doesn’t wane, maintaining a blistering 14 at 1:00 PM and 2:00 PM, before it begins to retreat. By late afternoon, the index drops to 12 at 3:00 PM, followed by a steady decline to 6 at 5:00 PM, 3 at 6:00 PM, and finally settling at 1 by 7:00 PM. This data underscores the importance of sun protection during the mid-day hours when UV exposure is at its highest.
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 | 14 | extreme | 10 min |
14:00 | 14 | 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 exhibits significant seasonal variations, peaking during the spring and summer months. From February through August, the UV Index consistently reaches extreme levels (11-14), with the highest values recorded in March, April, May, and August. Notably, October also remains at an extreme level (12), indicating potential for harmful UV exposure. The high-risk months for UV exposure are thus identified as February through August, where the advised burn time is only 10 minutes. In contrast, January, November, and December present lower UV levels (with indices of 9 and 8), classified as very high, allowing for a slightly longer exposure time of 15 minutes. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade during peak UV hours, particularly from late winter through summer.
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 Martin de Zula | 9 | 11 | 14 | 14 | 14 | 14 | 13 | 14 | 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 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |