Last updated: June 2, 2025
Understanding the UV Index in San Ignacio de Loyola, Mexico, is crucial for protecting your skin and overall health. During sun-soaked days, high UV levels can lead to painful sunburn and long-term skin damage. With a unique climate characterized by its cool and temperate conditions, San Ignacio witnesses significant UV exposure, particularly between 10 AM and 2 PM, when the index peaks at a staggering 14. By being aware of the UV Index, residents and visitors can take the necessary precautions to enjoy the sun safely while keeping their skin healthy and radiant.
The UV Index showcases a dramatic rise throughout the morning, starting at a mild 1 at 07:00 and 08:00. However, by 10:00, it escalates to 6, signaling the need for protection against the sun. The peak occurs at 13:00 with a soaring 14, suggesting it’s crucial to seek shade and apply sunscreen. As the afternoon progresses, the UV Index gradually declines, dropping to 5 by 17:00 before settling back to 1 by 19:00. This pattern highlights the importance of being sun-safe during the midday hours when UV exposure is at its highest.
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 | 6 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 12 | 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 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variations, with the highest risk months occurring from February to October. During these months, particularly from March to October, the UV Index reaches extreme levels (up to 15), meaning that unprotected skin can burn in just 10 minutes. Additionally, January and November have very high UV levels, where the burn time increases to 15 minutes. Visitors and residents are strongly advised to take preventive measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours, especially when the UV Index is at its highest. Keeping these precautions in mind will help ensure a safer experience when outdoors.
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 Ignacio de Loyola | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 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 |