Last updated: July 2, 2025
In Santa Rosa de Lima, Mexico, being aware of the UV Index is crucial for maintaining your skin's health and preventing sunburn. Understanding the varying levels of UV radiation can help you take necessary precautions, ensuring safe outdoor activities, especially during peak hours when the UV Index soars. Situated in a BSk climate zone, Santa Rosa de Lima experiences intense sunlight, with UV levels peaking at a striking 14 around midday. By staying informed about these UV levels, you can enjoy the vibrant outdoor lifestyle while safeguarding your skin against potential harm.
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 |
The UV Index exhibits significant seasonal variation, with the highest levels recorded from February to October, peaking at 15 in May. This period is classified as having an extreme exposure category, where even short sun exposure can lead to skin damage in just 10 minutes. High-risk months include February through October, with particularly intense UV radiation from March to September. Residents and visitors should take precautionary measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In the higher-risk months, it is essential to remain vigilant about sun safety to minimize the risk of harmful UV exposure. As the year progresses into November and December, the UV Index decreases, but caution is still advised, especially during the bright sunny days.
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 |
| Santa Rosa de Lima | 9 | 11 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 12 | 10 | 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 |