Last updated: July 2, 2025
Understanding the UV Index in San Mateo Pinas, Mexico is crucial for protecting your skin and overall health. With elevated UV levels reaching a peak of 14 during midday, residents and visitors alike need to be aware of the potential for sunburn and long-term skin damage. The region's Cwb climate brings a mix of temperate conditions, but it also elevates UV exposure risks, particularly between 11 AM and 2 PM when the sun is at its strongest. By keeping an eye on the UV Index, you can take proactive measures to enjoy the sun safely, ensuring your skin stays healthy while you soak up the beauty of this vibrant locale.
As the sun rises, the UV Index begins at a mild 1 at 7:00 AM and remains low until 9:00 AM, when it escalates to 3. The real intensity kicks in around 10:00 AM, reaching 5, and the index climbs dramatically as the day progresses. By 12:00 PM, it peaks at a scorching 12, and an impressive 14 is recorded at both 1:00 PM and 2:00 PM. The sun starts to wane after that, with the index gradually dipping to 8 by 4:00 PM, before descending to a gentle 2 by 6:00 PM. The day concludes with a return to a low 1 at 7:00 PM, making it clear that midday sun poses the greatest danger – a reminder of the importance of sun protection during those peak hours.
| 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 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant variability, peaking during the spring and summer months. The highest risks of UV exposure occur from February to October, with the most extreme values ranging from 14 to 15. Specifically, March to May and June to October present *critical threats, with a consistent burn time of just 10 minutes. As such, visitors and residents are advised to take precautionary measures during these high-index months. This includes wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours. Conversely, November and December see lower UV levels, classified as very high, with burn times extending to 15 minutes, but caution is still warranted.
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 Mateo Pinas | 10 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |