Last updated: September 1, 2025
In the sun-kissed coastal town of Coahuayana Viejo, Mexico, understanding the UV Index is essential for protecting your skin and overall health. With its tropical climate, residents and visitors alike are exposed to varying levels of ultraviolet radiation throughout the day, peaking at a significant 12 around midday. By being aware of the UV Index, you can take proactive measures to prevent sunburn and long-term skin damage. In this vibrant locale, where the sun is a constant companion, knowing when to seek shade and apply sunscreen can make all the difference in enjoying the beautiful outdoors safely.
Starting early in the morning, the UV Index remains low, peaking at 1 by 8:00 AM. As the sun climbs higher, the index rises sharply, reaching 4 by 10:00 AM and climbing significantly to 10 at noon. The afternoon sees the UV Index soar to its maximum of 13 between 1:00 PM and 2:00 PM, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the values gradually decrease, settling back to 6 by 5:00 PM and finally dropping to a mild 1 by 7:00 PM. It's important to stay protected, especially during the peak hours of 10 AM to 2 PM when the sun's rays are their strongest!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 1 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 10 | very high | 15 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, peaking during the summer months. January and February start with a very high UV Index of 9 and 10, with a burn time of 15 minutes. From March to October, the index escalates to a consistent level of 13 to 14, categorized as extreme and reducing burn time to just 10 minutes. Notably, June holds the highest index at 14. The risk diminishes again in November and December, but the index remains in the very high range with values of 9 and 8, and a burn time of 15 minutes. Visitors and residents should exercise caution, particularly from March to October, by seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risk of sunburn during these high-risk months.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Coahuayana Viejo | 9 | 10 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 12 | 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 |