Last updated: May 3, 2025
In San Juan Metaltepec, Mexico, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage, especially in a climate characterized by high sun exposure and bright rays. With UV Index values peaking at a staggering 15 around midday, it’s essential to take precautions during the sunniest hours. Embrace the beauty of this vibrant location while prioritizing your skin’s health by staying informed about daily UV conditions!
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 |
Throughout the year, seasonal UV changes reveal significant variation, particularly between January and October, where the UV Index frequently reaches extreme levels. The high-risk months are clearly identified as February to September, with the UV Index peaking at 15 in May and July, which corresponds to a burn time of just 10 minutes. Visitors and residents are strongly advised to take precautionary measures during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade when possible. Outside of these high-risk months, the UV Index remains very high in January, November, and December, suggesting that caution should still be exercised year-round to minimize the risk of skin damage from UV exposure.
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 |
| 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 |
| San Juan Metaltepec | 10 | 12 | 14 | 14 | 15 | 14 | 15 | 13 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |