Last updated: May 3, 2025
In San Francisco Periban, Mexico, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps prevent sunburn and reduces the risk of long-term skin damage. With a Cwb climate, the region experiences varying UV exposure, peaking at an intense UV Index of 14 around 2 PM, making it essential to stay informed and take proactive measures during these hours. Whether you’re enjoying outdoor activities or simply soaking in the sun, knowing the UV Index can ensure that you keep your skin safe and healthy.
The UV Index for the day showcases a dynamic rise and fall in sun intensity, starting from a calm morning. At 7:00 AM, the index begins at a maximum of 0, indicating minimal UV exposure. By 8:00 AM, it ticks upward to 1, signaling a cautious start for early risers. As the day progresses, the Index climbs steadily, hitting 2 at 9:00 AM and reaching 4 by 10:00 AM. The sun is now making its presence felt, peaking sharply at 12:00 PM with a formidable 11. The highest point is recorded at 2:00 PM, where the UV Index soars to 14, emphasizing the need for sun protection. Following this intensity, it begins to dip with 12 at 3:00 PM, 9 at 4:00 PM, and gradually tapering down to 1 by 7:00 PM. This data underscores the importance of sunscreen and shade during peak hours, especially between 11:00 AM and 2:00 PM. Be vigilant and enjoy the sunny moments safely!
| 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 | 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 exhibits significant seasonal fluctuations, reaching its peak during the spring and summer months from February to September, where it consistently registers between 11 to 14, classifying as extreme and necessitating a burn time of just 10 minutes. January and November see a decline to a UV Index of 9, indicating a very high exposure risk with a burn time of 15 minutes, while December and October slightly lower to UV Index 8 and 11 respectively. Residents and visitors are strongly advised to take precautions during the high-risk months of February through September, including wearing sunscreen, protective clothing, and limiting sun exposure, especially during peak hours, to prevent 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 |
| San Francisco Periban | 9 | 11 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 11 | 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 |