Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Tlapala, Mexico, given how the region's Aw climate exposes individuals to varying levels of ultraviolet radiation throughout the day. With peak UV levels reaching a striking 14 around midday, awareness of these fluctuations can significantly aid in sunburn prevention and promote long-term skin health. By keeping a close eye on UV levels, you can better protect yourself and your loved ones from harmful UV rays, ensuring outdoor activities are both enjoyable and safe.
The UV Index today shows a dramatic rise in solar intensity as the day progresses. Starting from a mild 0 at 7:00 AM, it gently increases to 1 by 8:00 AM. But as the clock strikes 10:00 AM, the index skyrockets to 5, reaching a peak of 14 by 1:00 PM and holding steady until 2:00 PM. The afternoon brings a noticeable decline, dropping to 12 at 3:00 PM and gradually tapering off to 5 by 5:00 PM. By 6:00 PM, the UV levels fall to 3, finally settling at a safe 1 as the sun begins to set at 7:00 PM. Be cautious during peak hours when the UV Index soars—a perfect reminder to protect your skin!
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 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | 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, the UV Index demonstrates significant seasonal fluctuations, with the highest values occurring during the summer and early fall months. Notably, from February to October, the UV index remains in the extreme category, peaking at 14 in April, June, July, and September. This period constitutes the high-risk months, where burn times are alarmingly short, limited to just 10 minutes. Conversely, January, November, and December see lower UV ratings classified as very high, with slightly longer burn times of 15 minutes. To ensure safety, visitors and residents are advised to take precautions during the high-risk months by wearing protective clothing, applying sunscreen, and seeking shade, especially during midday hours.
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 |
Tlapala | 9 | 11 | 13 | 14 | 13 | 14 | 14 | 13 | 14 | 11 | 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 |