Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Santiago Tepitongo, Mexico, where the climate is characterized by sunny conditions that can expose skin to harmful ultraviolet rays. Awareness of UV levels helps prevent sunburn and long-term skin health issues, making this knowledge essential for everyone. With UV Index values reaching a peak of 15 around midday, it’s vital to take protective measures against intense sun exposure typical of this region. By monitoring the UV Index, you can enjoy the outdoors safely while safeguarding your skin's health.
The UV Index throughout the day presents a fascinating journey of sunlight intensity, peaking dramatically between 12 PM and 2 PM. Starting the morning with a gentle UV Index of 1 at 7 AM, the sun gradually warms up, reaching 3 by 9 AM. However, it's the midday sun that truly asserts itself, soaring to a striking 15 at 1 PM, when sun safety is paramount. As the afternoon progresses, the index begins to decline, dropping to 9 by 4 PM and fading to a tranquil 1 by 7 PM. With such a pronounced peak, it's essential to remain vigilant during those hours of highest exposure—remember to wear sunscreen, seek shade, and stay hydrated!
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 | 13 | extreme | 10 min |
13:00 | 15 | extreme | 10 min |
14:00 | 15 | 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, seasonal UV changes reveal significant variation, particularly between January and October, where the UV Index frequently reaches extreme levels. The high-risk months are clearly identified as February to September, with the UV Index peaking at 15 in May and July, which corresponds to a burn time of just 10 minutes. Visitors and residents are strongly advised to take precautionary measures during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade when possible. Outside of these high-risk months, the UV Index remains very high in January, November, and December, suggesting that caution should still be exercised year-round to minimize the risk of skin damage from UV exposure.
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 |
Santiago Tepitongo | 10 | 12 | 14 | 14 | 15 | 14 | 15 | 13 | 14 | 12 | 10 | 9 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |