Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of San Juan Quiahue, Mexico, as it plays a vital role in protecting skin health and preventing sunburn. High UV levels can lead to serious skin damage, making awareness of these daily fluctuations essential. San Juan Quiahue, with its Cwb climate, presents specific challenges, especially during peak sunlight hours when the UV Index can soar to 15. This means that individuals should take necessary precautions—like applying sunscreen and wearing protective clothing—especially between 11 AM and 2 PM, to enjoy the beautiful outdoors without compromising their skin health.
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 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 Juan Quiahue | 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 |