Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Santiago Atzitzihuacan, Mexico, where the sun can be intense, especially during peak hours. High UV levels not only increase the risk of painful sunburns but also contribute to long-term skin health issues, making awareness essential for enjoying outdoor activities safely. With the local climate characterized by significant UV exposure—particularly between 11:00 AM and 2:00 PM, when levels soar to 14—staying informed can help you protect yourself and your loved ones from harmful effects while basking in the beauty of this vibrant region.
The UV Index today showcases a vibrant and dynamic pattern of solar intensity. Early hours see a gentle start with 1 at 7:00 AM and 8:00 AM, gradually climbing to 3 by 9:00 AM. As the sun rises higher, the index peaks dramatically, reaching a scorching 12 by noon and soaring to a maximum of 14 from 1:00 PM to 2:00 PM—the ideal time to seek shade or don protective gear. The intensity begins to wane as the afternoon progresses, dropping to 11 at 3:00 PM and easing down to 5 by 5:00 PM. As daylight fades, the index settles back to a more manageable 2 at 6:00 PM, concluding the day at 1 by 7:00 PM. It’s a day to embrace the sunshine while staying safe!
| 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 | 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 | 11 | 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 readings exhibit significant seasonal variation, with the highest levels occurring from March to September where the index consistently reaches 14 and is classified as extreme. January and November present very high indices of 10, with a burn time of 15 minutes, while December features a slightly lower index of 9. Visitors and residents are particularly at risk during the months of February through October, where the burn time drastically shortens to just 10 minutes due to the extreme UV exposure. It is essential for individuals to take proactive measures during these high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to reduce 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 |
| Santiago Atzitzihuacan | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 9 |
| 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 |