Last updated: July 2, 2025
In El Refugio de Agua Zarca, Mexico, understanding the UV Index is crucial for protecting your skin and overall health. With UV levels peaking at an extreme 14 during midday hours, awareness can be the key to preventing sunburns and reducing the risk of long-term skin damage. This region experiences a BSk climate, which means dry and hot summers that can elevate UV exposure risks. By staying informed about the UV Index, residents and visitors alike can enjoy the beautiful outdoor scenery while taking the necessary precautions to safeguard their skin.
As the sun rises, the UV Index begins to climb steadily, starting from a gentle 0 at 7:00 AM before reaching a modest 1 by 8:00 AM. By 9:00 AM, it picks up pace, hitting 2, and then escalates dramatically through the late morning. At 10:00 AM, the index spikes to 5, soon soaring to a peak of 14 from 1:00 PM to 2:00 PM, marking the day’s most intense exposure. The afternoon witnesses a gradual decline, settling at 10 by 4:00 PM and tapering off to a more manageable 3 by 6:00 PM. As the sun begins to set, the UV intensity eases into the evening, leaving behind a trace of 1 at 7:00 PM. Stay protected, especially during the peak hours, and enjoy the sunshine responsibly!
| 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 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates significant seasonal changes, peaking during the late spring and summer months. From January to March, the index starts high but quickly escalates, reaching its maximum of 15 in both April and May. The months of February to October pose the highest risk, with an extreme exposure category, where the burn time is notably short at 10 minutes. Visitors and residents should be particularly vigilant during these high-risk months, especially from February to October, and adopt protective measures such as wearing sunscreen, hats, and protective clothing. As we approach the fall and winter months, the UV risk decreases but remains notably high in November and December. It is essential to stay informed and protect your skin year-round.
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 |
| El Refugio de Agua Zarca | 9 | 11 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 12 | 10 | 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 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |