Last updated: May 3, 2025
In San Jeronimo Purenchecuaro, Mexico, being aware of the UV Index is crucial for safeguarding your skin against the sun's harmful rays. Understanding UV levels can help you prevent sunburn and maintain long-term skin health, especially when exposure peaks. This charming town, situated in a Cwb climate zone, experiences significant UV exposure during the midday hours, with levels rising dramatically to 14 between 1 PM and 2 PM. Armed with this knowledge, residents and visitors can take proactive measures to enjoy the sunlight safely.
The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting from a calm 0 at 07:00, it gradually ticks upward, reaching 1 by 08:00. As the clock strikes 10:00, the UV Index surges to 5, and by 11:00, it climbs to a robust 9. The peak occurs at 13:00 and 14:00, where it hits a thrilling 14—a clear warning for sun protection. As the afternoon wanes, the intensity begins to drop, falling to 9 by 16:00, and further down to 5 at 17:00. The day wraps up with a gentle decline, ending with a low 1 by 19:00. As such, it’s essential to stay vigilant during the peak hours, particularly between 11:00 and 14:00, to enjoy the sun 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 | 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 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, there are significant fluctuations in UV levels, with the highest indices occurring from February to October. This period sees extreme UV conditions, particularly from March to October where the UV Index consistently registers 14 to 15. January and November reflect very high exposure (UV Index 10) with a burn time of 15 minutes, while December sees a slight dip to a UV Index of 9. Visitors and residents are strongly advised to take precautions during the months of February to October, as these are categorized as high-risk months for skin damage, with a burn time of only 10 minutes. Wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours are essential measures to safeguard against harmful 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 |
| San Jeronimo Purenchecuaro | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 9 |
| 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 |