Last updated: May 3, 2025
In San Andres Milpillas, Mexico, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels can help you take the necessary precautions, especially during peak hours when exposure risks are the highest. The region's As climate brings consistent sunshine, with UV levels often soaring to 13 around noon, indicating a very high risk of harm from unprotected sun exposure. By being informed about the UV Index and adjusting your outdoor activities accordingly, you can enjoy the beautiful weather while protecting your skin from potential damage.
At dawn, the UV Index begins its gentle ascent, peaking at a mild 1 by 07:00. As the sun climbs higher, it rapidly intensifies, reaching a moderate 2 at 08:00 and surging to a substantial 4 by 09:00. The real heat kicks in at 10:00, where the index skyrockets to 7, indicating a high risk of harm from unprotected sun exposure. This trend continues, peaking at an intense 13 at both 12:00 and 13:00, marking the day’s maximum risk. As the afternoon wanes, we see a gradual decline to 10 at 15:00 and further down to 6 by 16:00. By evening, the numbers drop dramatically, settling back to a safe 1 by 18:00 and maintaining that level until nightfall. This hourly progression illustrates the critical importance of sun safety during midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
During the year, UV Index levels exhibit significant fluctuations, with the highest levels occurring from March to October. Notably, the months of April to September see extreme UV exposure, with indices reaching as high as 14 and a burn time of just 10 minutes. January and February also stand out as high-risk months, categorized as very high, with similar burn times of 15 minutes. As such, it’s crucial for both visitors and residents to take precautions during these months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to minimize the risk of sunburn and long-term skin damage. Conversely, November and December present a slight reprieve, with lower indices of 9 and 7, respectively, but caution is still advised, especially in November.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Andres Milpillas | 8 | 10 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 11 | 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 |