Last updated: July 2, 2025
In Puerto de Martinez, Mexico, being aware of the UV Index is crucial for protecting your skin and enjoying the sunny climate safely. With UV levels frequently reaching as high as 14 during midday, understanding these levels can help prevent sunburn and long-term skin damage. Puerto de Martinez, characterized by a semi-arid climate (BSh), exposes residents and visitors alike to significant UV risks, particularly from late morning through early afternoon. By staying informed about the UV Index, you can take proactive steps to safeguard your health while basking in the beautiful sun.
The UV Index throughout the day tells a compelling story of rising sun intensity. Starting off at a mellow 1 at 07:00 AM, it gradually increases to a moderate 2 by 09:00 AM. As the clock strikes 10:00 AM, the index soars to 5, marking the onset of stronger rays. With the sun at its peak, the index reaches an impressive 11 at 12:00 PM and 14 at 1:00 PM, signaling the highest risk for unprotected skin. Although it remains high at 14 from 1:00 PM to 2:00 PM, it soon begins to dip, falling to 9 by 4:00 PM and further down to 3 at 6:00 PM. As daylight dims, the UV Index retreats to a safe 1 by 7:00 PM, reminding us of the sun's powerful influence during the midday hours. Be sure to protect your skin when the index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months occurring from February to October, where the UV Index consistently falls within the extreme range (11-14) for most of that period. During these months, minimal exposure times to sunlight can lead to skin damage, with recommended burn times as short as 10 minutes. Visitors and residents are advised to take precautionary measures during these peak months by wearing protective clothing, applying sunscreen with high SPF, and seeking shade whenever possible. In contrast, November and December present lower risks, with UV indices dropping to very high and high, allowing for slightly longer exposure times of up to 25 minutes in December. Overall, staying vigilant about UV levels year-round is essential for skin health and safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Puerto de Martinez | 8 | 11 | 13 | 14 | 14 | 13 | 14 | 13 | 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 |