Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in San Jose de Reyes, Mexico, where the sun can shine intensely throughout the year. With high UV levels peaking at 14 during midday hours, awareness of the UV Index can play a vital role in preventing sunburn and protecting skin health. In this semi-arid climate, typical exposure risks are significant, making it essential to check the daily UV values for safe sun practices. Equip yourself with the knowledge to enjoy the beautiful days while safeguarding your skin!
The UV Index throughout the day offers a telling glimpse of solar intensity, peaking at 14 between 2 PM and 3 PM—a time when protection is crucial. Beginning with a gentle 0 at 7 AM, the index steadily rises, reaching a moderate 2 by 9 AM. By 11 AM, it escalates to a notable 8 and reaches 11 at noon, signaling that sun protection measures should be in place. The afternoon sees a thrilling surge, with values hitting their zenith of 13 at 1 PM and slightly tapering to 10 by 4 PM. As the sun begins to set, UV levels decline, falling back to 1 by 7 PM. This data serves as a potent reminder: during the peak hours, staying safe from the sun is essential!
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 | 7 | high | 25 min |
12:00 | 10 | very high | 15 min |
13:00 | 13 | extreme | 10 min |
14:00 | 14 | extreme | 10 min |
15:00 | 12 | 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 seasonal UV changes indicate that the period between March and October presents the highest risks for sun exposure, with UV Index values consistently peaking at 14 during the summer months of May to August. Notably, March sees a significant jump to an extreme rating of 13, marking the start of high-risk months alongside April and September. Visitors and residents are strongly advised to take precautions during these high-risk months, especially from March to October, where the burn time can drop to just 10 minutes. Daily UV awareness is crucial; wearing sunscreen, protective clothing, and seeking shade during peak hours can significantly mitigate the risk of sunburn and long-term skin damage. November and December provide a slight respite with lower UV levels, yet caution is still encouraged in November where the UV Index remains very high.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Jose de Reyes | 8 | 10 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 9 | 7 |
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 |