Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tlatzintla, Mexico, where the risk of harmful ultraviolet radiation can reach peak levels, particularly during midday. Awareness of UV levels is essential for effective sunburn prevention and maintaining long-term skin health. The climate in Tlatzintla, categorized as Cfb, brings mild temperatures, but high UV exposure, especially around noon when the index soars to 14, poses significant risks. By staying informed about the UV Index, you can enjoy the bright days while protecting yourself from the sun's damaging effects.
As the sun rises, the UV Index starts at a gentle 1 at 7:00 AM, indicating minimal sun exposure risk. By 9:00 AM, it climbs to 2, showcasing the gradual intensification of sunlight. The peak arrives at 12:00 PM with a striking 12, signaling a high risk of harm from unprotected sun exposure. This intensity continues through 1:00 PM and 2:00 PM, where it reaches its maximum of 14—a reminder to seek shade and apply sunscreen. As the afternoon progresses, the UV Index begins to taper off, dropping to 9 at 4:00 PM, and ending the day at a safer 1 by 7:00 PM. Stay sun-smart, especially during the peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 5 | moderate | 30 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 | 6 | high | 25 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal fluctuations, with the highest values occurring from February to October, indicating an extreme exposure category and a burn time of just 10 minutes. Specifically, March to August records the peak UV Index of 14, suggesting these are critical months for sun safety. Conversely, January, November, and December offer lower UV levels in the very high exposure category, allowing for a more extended burn time of 15 minutes. Visitors and residents are strongly advised to take precautions during high-risk months—primarily from February to October—by wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours to reduce the risk of harmful 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 |
Tlatzintla | 8 | 11 | 13 | 14 | 14 | 14 | 14 | 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 |