Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Santo Tomás Quieri, Mexico, where the high-altitude climate combines with intense sunlight to create significant UV exposure risks. Being informed about daily UV levels is essential for effective sunburn prevention and maintaining long-term skin health, especially during peak hours when the index can soar to a blistering 15. With a climate characterized as Cwb, Santo Tomás Quieri experiences vibrant sunshine that necessitates awareness and proactive measures to protect skin from harmful UV rays. Stay informed to enjoy the sun safely!
The day's UV Index tells a dramatic story of rising sun exposure, beginning at a mild 1 at 7:00 AM and gradually climbing through the morning. By 10:00 AM, it surges to 6, signaling a notable increase in UV intensity. The peak occurs at 12:00 PM with a striking 14 and reaches its highest point of 15 from 1:00 PM to 2:00 PM, warning us to take extra precautions. As the sun begins to lower, the index gracefully descends, dropping to 9 at 4:00 PM, and tapering off to a gentle 1 by 7:00 PM, marking a gradual retreat from the day's intense sun. Always remember:protect your skin during peak hours!
| 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 | 10 | very high | 15 min |
| 12:00 | 14 | 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 |
The UV Index in the region demonstrates extreme levels from January through September, peaking at 15 in March, April, May, June, July, and September, with only slight decreases to 14 in August and 13 in October. Notably, the high-risk months for sun exposure are predominantly from January to September, where the burn time remains at a critical 10 minutes across these months. Visitors and residents are strongly advised to take precautions by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to minimize the risk of UV-related health issues. In November, the UV index decreases to 11 and falls to 10 in December, indicating a slight reprieve, but continued vigilance is recommended as the exposure level remains significant.
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 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |
| Santo Tomas Quieri | 11 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 13 | 11 | 10 |