Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Uruapan, Mexico, where the combination of a BSk climate and elevated UV levels presents unique challenges for skin health. With UV indices soaring to a maximum of 12 around midday, awareness is essential for preventing sunburn and long-term skin damage. Knowing how to interpret these levels allows you to take appropriate precautions—such as seeking shade and using sunscreen—during peak hours, typically between 10:00 AM and 2:00 PM. Stay informed and protect your skin while enjoying the beautiful landscapes Uruapan has to offer!
The UV Index throughout the day presents a vivid picture of sun intensity. In the early morning, starting at 07:00, the index is a gentle 1, gradually rising to 2 by 08:00. The real surge begins at 09:00, where it climbs to 4, reaching a peak of 12 around 13:00. Noteworthy are the hours between 11:00 and 14:00, when the index soars, hitting a maximum of 11 at 12:00 before slightly easing to 11 again by 14:00. As afternoon turns to evening, the UV levels decrease significantly, dropping to 8 by 15:00, and falling further to 1 by 19:00. This data emphasizes the importance of sun protection during midday hours when the UV radiation is at its strongest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index varies significantly, posing different levels of risk to visitors and residents. From January to April, UV exposure starts low but escalates sharply, peaking in May and June at an extreme UV Index of 12, resulting in a burn time of just 10 minutes. The high-risk months are notably March through August, where caution is essential due to very high to extreme UV levels. September maintains high UV exposure, before tapering down in October. As we approach the winter months, the UV Index reduces, with levels returning to moderate by December. To ensure safety, it's crucial for everyone to apply sunscreen regularly, seek shade during peak hours, and wear protective clothing, especially during the highest risk periods.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Uruapan | 5 | 7 | 9 | 11 | 12 | 12 | 12 | 11 | 11 | 8 | 6 | 4 |
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 |