Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Juan de los Planes, Mexico, where the climate is typically hot and dry. With UV radiation peaking at levels that can cause sunburn and long-term skin damage, being aware of daily UV levels is essential for protecting your skin health. From mid-morning until early afternoon, the UV Index can soar to a maximum of 13, indicating extreme exposure risks. By staying informed about these levels, you can enjoy the sunny days of San Juan de los Planes while minimizing the risk of harmful UV effects.
From the early morning hours, the UV Index starts off low at 1 between 07:00 and 08:00, making it a safe time for outdoor activities. As the sun climbs higher, the index spikes dramatically, reaching 6 at 10:00 and peaking at a striking 13 from 13:00 to 14:00. This period calls for extra caution—sunscreen and protective clothing are a must! As the afternoon wanes, the index gradually declines, settling at 4 by 17:00 and returning to 1 by 19:00, making the evening a safer time to enjoy the outdoors. Stay protected and plan your sun exposure wisely!
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 | 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 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with high-risk months identified primarily from February to September. The UV Index peaks in March, April, May, and June at a critical 13, categorized as extreme, where the burn time is reduced to just 10 minutes. Visitors and residents should be particularly vigilant during these months, ensuring adequate sun protection such as using sunscreen, wearing protective clothing, and seeking shade when possible. As we transition into the cooler months, October and November still present elevated UV risks with indices of 10 and 8, respectively, signaling visitors to maintain sun safety practices. In the winter months, although the UV Index is lower, with values of 7 in January and 6 in December, it is advisable to remain cautious, especially on sunny days.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Juan de los Planes | 7 | 9 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 10 | 8 | 6 |
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 |