Last updated: June 2, 2025
In San Lorenzo Chiautzingo, Mexico, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly aid in sunburn prevention and long-term skin health, especially in a location that experiences high exposure risks. The region's Cwb climate brings both sunny days and potential hazards, with UV Index values peaking at a staggering 15 around midday. Being informed about these levels empowers residents and visitors alike to take the necessary precautions—ensuring fun in the sun without the harmful effects. Stay vigilant and keep your skin safe!
The UV Index today reveals a dynamic sun exposure pattern, peaking dramatically as the day unfolds. Starting at a low of 1 at 7:00 AM, it climbs steadily, reaching a moderate 3 by 9:00 AM. However, the real intensity kicks in around 11:00 AM, where the index surges to 10, signaling a high level of UV radiation. The maximum impact is felt at 12:00 PM with a staggering 13, followed closely by an astonishing 15 at 1:00 PM. As the afternoon progresses, the levels begin to taper off: 14 at 2:00 PM and 12 by 3:00 PM, leading into a gentler decline through the evening hours, ending the day at a cautious 1 by 7:00 PM. It's clear: the midday sun is not to be taken lightly, so don’t forget your sunscreen during 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 | 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 | 12 | extreme | 10 min |
| 16:00 | 9 | 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 seasonal fluctuations, with high-risk months typically from February to October. During this period, the UV Index peaks at 15, categorized as extreme, particularly from April to July, necessitating vigilant sun safety measures. In these months, the burn time is only 10 minutes, indicating a critical need for protective measures such as sunscreen, hats, and UV-blocking sunglasses. Conversely, November and December see a decrease in UV exposure, categorized as very high, with a lengthened burn time of 15 minutes in those months. Therefore, both visitors and residents are strongly advised to monitor UV levels regularly and take necessary precautions, especially during the warmer, sunnier months to minimize the risk of skin damage.
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 Lorenzo Chiautzingo | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |