Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Narciso Mendoza, Mexico, as it provides key insights into daily sun exposure and potential health risks. With maximum UV levels peaking at a staggering 14 around midday, awareness of these levels is essential for preventing sunburn and maintaining long-term skin health. Given the region’s semi-arid climate (BSk), where sunny days are common, the risk of overexposure increases significantly. By staying informed about the UV Index, you can take proactive steps to enjoy the beautiful sun while protecting your skin.
The UV Index throughout the day showcases a striking rise and fall in solar intensity. Starting from a modest 0 at 07:00, the index steadily climbs, reaching peak levels at 14:00 with a scorching 14. This midday surge is a vivid reminder of the sun's power, with 11 by noon and its highest intensity hitting 13 during the early afternoon. As the day progresses, the UV Index gracefully declines, sliding back to 6 at 17:00, before tapering off to 1 by 19:00. It's crucial to stay protected during those peak hours, especially from 11:00 to 15:00, when UV exposure can be at its most intense!
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 | 14 | extreme | 10 min |
15:00 | 13 | extreme | 10 min |
16:00 | 10 | very high | 15 min |
17:00 | 6 | high | 25 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, with the highest values occurring from February to September, where it reaches extreme levels of 11 to 15 and a dangerously low burn time of just 10 minutes. Particularly, March through May remain high-risk months, making sun protection essential during this period. Visitors and residents are advised to minimize sun exposure during these months, especially from 10 AM to 4 PM, and to wear broad-spectrum sunscreen, protective clothing, and wide-brimmed hats. As we transition into the latter part of the year, the UV Index decreases, with November and December presenting a moderate risk, allowing for slightly longer burn times of 15 to 25 minutes. Nonetheless, caution is still recommended to avoid skin damage.
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 |
Narciso Mendoza | 8 | 11 | 13 | 15 | 14 | 14 | 14 | 14 | 13 | 12 | 9 | 7 |
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 |