Last updated: May 3, 2025
In the vibrant town of Tonalapan, Mexico, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding the daily fluctuations in UV levels can help prevent sunburn and long-term skin damage, ensuring that residents and visitors alike can enjoy the sun safely. With a climate characterized by warm temperatures and abundant sunshine, Tonalapan experiences higher UV exposure, especially during peak hours. From mid-morning to early afternoon, the UV Index can soar to dangerous levels of 12 to 14, making it essential to take protective measures. Embrace the outdoors, but remember to check the UV Index regularly and prioritize your skin's health!
Starting from the early hours of the day, the UV Index begins at a low 1 at 07:00, gradually climbing to 3 by 09:00. As the morning progresses, the intensity ramps up significantly, peaking at an impressive 14 around 13:00. The sun’s strength remains formidable, with a 12 at 12:00 and 10 at 11:00. After this midday apex, the UV levels start to decline—dropping to 11 by 15:00 and tapering to 4 at 17:00. As evening approaches, the index returns to a safe 1 by 19:00, signaling a gentle end to the day's solar exposure. It's essential to take precautions during the peak hours, especially between 10:00 and 14:00, when UV radiation is at its most intense.
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 | 12 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 7 | high | 25 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with the highest risk months occurring from February to October when the UV Index peaks at 13-14 in the summer months. During this period, the burn time is incredibly short—only 10 minutes—indicating extreme exposure levels. Notably, March and April maintain a consistent UV Index of 12-13, reinforcing the need for heightened sun safety measures. January, November, and December present very high risk levels but offer slightly longer burn times of 15 minutes. To ensure safety, visitors and residents should seek shade, wear protective clothing, and regularly apply high-SPF sunscreen, especially during the peak months of February through October.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tonalapan | 9 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 11 | 9 | 8 |
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 |