Last updated: July 2, 2025
In Puerto Arista, Mexico, being aware of the UV Index is crucial for your skin health and overall well-being. Understanding the daily UV levels helps you take proactive measures against sunburn and long-term skin damage, especially in a region known for its sunny, tropical climate. The UV Index can reach a maximum of 15 around midday, indicating a very high risk of harm from unprotected sun exposure. With the sun's intensity peaking between 11:00 AM to 1:00 PM, it's essential to stay informed and safeguard your skin with proper protection. So, whether you’re lounging on the beach or exploring the lush surroundings, keep a close eye on the UV Index to enjoy your time in Puerto Arista safely!
The UV Index today starts off relatively low, peaking at 1 between 7:00 and 8:00 AM, making it a safe time for morning strolls. As the sun rises higher in the sky, from 9:00 AM onward, the intensity ramps up, reaching a notable 6 by 10:00 AM. By noon, the index skyrockets to 13, indicating a high risk of harm from unprotected sun exposure. The sun's intensity reaches its zenith at 1:00 PM with a UV Index of 15, before gradually tapering off to 11 by 3:00 PM. As the afternoon wanes, the index declines steadily, dropping to 4 by 5:00 PM, and returns to a comfortable 1 by 7:00 PM. It’s wise to seek shade and wear protective clothing during the midday peak to safeguard your skin from harmful UV rays!
| 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 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV index experiences significant fluctuations throughout the year, with the highest levels observed from March to October, where it consistently reaches an extreme exposure category of 10-15. Specifically, July marks the peak month with a UV Index of 15, indicating a burn time of just 10 minutes. Other high-risk months include February through June, where the index remains above 12. January and November see a drop to 10, categorized as very high, with increased burn times of 15 minutes. Given these measurements, it is crucial for both visitors and residents to adopt protective measures such as wearing sunscreen, hats, and protective clothing, especially during peak hours from March through October. Staying mindful of UV exposure will help ensure outdoor activities remain enjoyable and safe.
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 |
| Puerto Arista | 10 | 12 | 14 | 14 | 14 | 13 | 15 | 13 | 13 | 12 | 10 | 9 |
| 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 |