Last updated: June 2, 2025
Understanding the UV Index in San Juan Zitlaltepec, Mexico, is crucial for safeguarding your skin and overall health. This vibrant town, nestled in a Cwb climate zone, typically experiences varying UV levels throughout the day, peaking at a staggering 14 between 1 PM and 2 PM. The potential for sunburn escalates rapidly as the UV Index rises, making it essential for residents and visitors alike to be aware of the daily UV levels. By learning how to protect yourself against harmful rays, you can enjoy the beautiful outdoors while minimizing the risk of skin damage. Stay informed and make sun safety a priority wherever your day takes you in San Juan Zitlaltepec!
The UV Index during the day showcases a fascinating rise and fall, reflecting the sun's intensity. At 7:00 AM, we start with a low UV Index of 1, which gradually climbs to 3 by 9:00 AM. The real heat kicks in at 10:00 AM, peaking at an impressive 14 by 1:00 PM, where sun safety is crucial. This peak intensity holds steady until 2:00 PM, before gradually tapering off throughout the afternoon. By 5:00 PM, the index drops to 5, and as the sun sets, it dwindles to 1 by 7:00 PM. Keep this UV Index journey in mind for planning your outdoor activities and protecting your skin from sun exposure!
| 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 | 13 | 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 |
The UV Index experiences significant seasonal changes, with the highest readings occurring from February to September, where the index reaches extreme levels of 12 to 15. March through October are identified as particularly high-risk months, with the burn time consistently dropping to just 10 minutes, emphasizing the need for protective measures. As summer approaches, residents and visitors are strongly advised to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize skin damage. Come November and December, the UV Index decreases to 10 and 8 respectively, but caution is still recommended as the exposure remains categorized as very high. Always prioritize sun safety to ensure a healthy experience outdoors.
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 Juan Zitlaltepec | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 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 |